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Sandra

Questions and answers by Sandra, page 5

Questions (668)

According to the pressure-flow hypothesis, which of the following statements is not true• Water moves from the xylem to the
1. 3 answers
2. 1,806 views
y = (4)/(9x – 45)• –5 • 0.2 • 5 • –0.2
1. 4 answers
2. 289 views
what is the excluded value of the function?y = 4/(9x – 45) • –5 • 0.2 • 5 • –0.2
1. 5 answers
2. 536 views
Portfolios are a collaborative effort in that
1. 1 answer
2. 384 views
Simplify each expression. State any excluded values.(2x^2 + 6x) / 10x^3
1. 3 answers
2. 934 views
Simplifing rational expressionsSimplify the expression & state any excluded values: (2s^2 - 5s - 12) / (2s^2 - 9s + 4)
1. 3 answers
2. 572 views
Divide this rational expression and polynomial(12x^2 + 9x-7)/(3x)
1. 5 answers
2. 589 views
Geometry: the width and area of a rectangleIs (4b^3+5b-3)/(2b-1) What is the length of the rectangle? Show work.
1. 3 answers
2. 783 views
Word problem: A new photocopier can make 72 copies in 2 min. When the older photocopier is operational, the two photocopiers
1. 6 answers
2. 2,439 views
Physics: For a 225-watt bulb, the intensity I of light in lumens at a distance of x feet is I=225/x^2.a. What is the intensity
1. 3 answers
2. 621 views
Am I correct?Which of the following is an example of human impact on climate changes? • the greenhouse effect • changes in
1. 3 answers
2. 657 views
Mountain pull. A large mountain can slightly affect the direction of “down” as determined by a plumb line. Assume that we
1. 5 answers
2. 1,495 views
Bob drove 120 miles on his vacation. He drove an average of 1.2 times faster on the 2nd 60 miles of his trip than he did on the
1. 7 answers
2. 7,609 views
A catering company charges a $300.00 set up fee and $10.00 per person for a lunch buffet. Approximately how many people must
1. 4 answers
2. 2,385 views
Dorothy and Rosanne are baking cookies for a party. Working alone, Rosanne can finish the cookies in 6 hours. Dorothy can finish
1. 3 answers
2. 1,233 views
Divide. (–6m^9 – 6m^8 – 16m^6) ÷ (2m^3)• –3m9 – 3m8 – 8m6 • –3m6 – 6m8 – 16m3 • –3m6 – 3m5 – 8m3
1. 3 answers
2. 766 views
The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 7 hours to drive the distance
1. 4 answers
2. 1,213 views
Solve.• x = 2 • x = –2 • x = 28 • x = –28 How?
1. 3 answers
2. 350 views
I have to identify the system of equations, if any for:-2x-4=1, 12=-6x-3 no solution? infinitely many solutions? (0,-1)? or
1. 2 answers
2. 815 views
Solve. (–10x3 + 30x – 20) ÷ (–5x + 5)• 2x2 – 2x + 4 • –2x2 – 2x – 4 • –2x2 + 2x + 4 • 2x2 + 2x – 4
1. 3 answers
2. 687 views
Simplify. x/(7x+x^2)• 1/(7+x); where x ≠-7 • 1/(7x); where x≠0 • 1/(7+x); where x≠0,-7 • 1/7 How?
1. 3 answers
2. 1,333 views
Simplify. (3/5a)*(1/a^2)• 3/5a^2; where a ≠ 0 • 3/5a^2 • 3/5a^3; where a ≠0 • 4/5a^2; where a ≠0 How?
1. 2 answers
2. 538 views
Simplify into on fraction.(-5x/x+3)-(7/x+3) • (-5x-7)/(x+3) • (-5x+7)/(x+3) • (-5x-7)/(x+3)^3 • (-5x+7)/(x+3)^2 How?
1. 2 answers
2. 1,051 views
Multiply: (K+3)/(4K-2)*(12K^2 + 2k – 4)• 3(k+3)/(3k+2) • 3(k+3)(2k-1)/2 • (x-5)(3x+2) • (x-5)(12x+8) How? 11
1. 4 answers
2. 3,248 views
Lost in the shuffle; sending again...Simplify into on fraction. (-5x/x+3)-(7/x+3) • (-5x-7)/(x+3) • (-5x+7)/(x+3) •
1. 1 answer
2. 362 views
In the meantime I got the last one but this one I can't figure...Divide. [(x^2-9)/(x-5)]/(x+3) • (x-3)/(x-5) • (x-5)/(x-3)
1. 3 answers
2. 339 views
Simplify into one fraction.3/(x-3)-5/(x-2) • (-2x + 9)/(x-3)(x-2) • (-2x)/(x-3)(x-2) • (-2x -9)/(x-3)(x-2) •
1. 4 answers
2. 1,048 views
Solve. 1/(3x-6) – 5/(x-2) = 12• X=34/9 • X= -29/18 • X= -34/9 • X=29/18 How?
1. 3 answers
2. 462 views
The temperature, T, of a given mass of gas varies inversely with its volume, V. The temperature of 20 cm3 of a certain gas is
1. 3 answers
2. 534 views
Simplify. (x^2-3x-10)/(x+2)How? (I don't have any answers for this one)
1. 3 answers
2. 603 views
When will the dependent variable in the equation Y=[(sqrt)(x+4-3)] equal or exceed 4?• x ≥ –0.17 • x ≥ 45 • x ≥ 48
1. 4 answers
2. 432 views
When will the dependent variable in the equation Y=[(sqrt)(x+4-3)] equal or exceed 4?• x ≥ –0.17 • x ≥ 45 • x ≥ 48
1. 4 answers
2. 563 views
I am not sure I am writing this correctly:What is the domain of the function y=3(sq rt)6x+42 • x ≥ 0 • x ≤ 7 • x ≥
1. 2 answers
2. 632 views
2nd posting - my mistakeWhen will the dependent variable in the equation y= sqrt [x+4-3] equal or exceed 4 • x ≥ –0.17 •
1. 3 answers
2. 356 views
Solve for b. [sqrt] b^4/25=4I do not know how to type two of the possible answers.
1. 1 answer
2. 388 views
What is value?• the lightness or darkness of a color • the intensity of a color • the number of colors being used in a 2D
1. 4 answers
2. 1,571 views
The size of a television is given by the length of the diagonal of the screen. The ratio of the height to the width of wide
1. 4 answers
2. 1,989 views
Simplify (2(sqrt)+3(sqrt)7)2. Show how. Justify each step.
1. 3 answers
2. 703 views
(not for Ms.Sue)Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1,
1. 17 answers
2. 5,303 views
Identify the type of sentence: Josh and I are meeting for pizza at noon today.• declarative • imperative • interrogative
1. 7 answers
2. 4,007 views
Which of the following artists were known for their collages?• Andrea Mantegna and Vincent van Gogh • Thomas Eakins and Anna
1. 4 answers
2. 1,043 views
A store sells five models of cameras for $190.00, $420.00, $270.00, $300.00, and $420.00. If the sales tax rate is 6%, what are
1. 16 answers
2. 8,322 views
The hypothalamus secretes a hormone called GnRH that makes the anterior pituitary gland release FSH, referred to as
1. 2 answers
2. 791 views
I am confused about this...A survey is being conducted to determine the favorite movies for various ages. Which of the following
1. 4 answers
2. 1,740 views
A website requires a four-digit numerical password in which the digits cannot repeat. How many possible passwords are there?•
1. 2 answers
2. 841 views
What is the probability that a number picked from the set {–4, –3, –2, –1, 0, 1, 2, 3, 4, 5} will be a solution of 2x +
1. 3 answers
2. 889 views
You spin a spinner that has eight equal-sized sections numbered one to eight. Which event is least likely to occur?• The
1. 4 answers
2. 2,615 views
A meteorologist says that the probability of snow today is 45%. What is the probability that it will not snow?• 2/11 • 9/10
1. 7 answers
2. 2,461 views
Need help, I think it is 2/25. Do you have an equation that I can figure it?You choose a marble at random from a bag containing
1. 3 answers
2. 425 views
The diagram shows a weightlifter in the initial stages of his lift. He lifts two 70 kg masses connected to a 10 kg bar. In
1. 1 answer
2. 488 views
for intext citations for a website in the parenthesis do you put the title of the website and the year you accessed it?
1. 4 answers
2. 477 views
Victor Malaba has a net income of $1,240 per month. If he spends $150 on food, $244 on a carpayment, $300 on rent, and $50 on
1. 4 answers
2. 1,142 views
An example of an objective test is
1. 1 answer
2. 341 views
I have tried to look this up but can't find it...The basal metabolism rate can be measured by calculating the amounts of
1. 4 answers
2. 1,166 views
Not sure about this...In the play A Sad Vaudeville, The flagman tells the man it is not his job to ____ answer questions. my
1. 4 answers
2. 1,966 views
Not sure: Which of the following phrases best defines rhythm? (1 point)Repeated sounds across lines of poetry my answer a poem's
1. 2 answers
2. 1,152 views
In the poem “Love after Love” by D. Walcott – not sure who self is...In the second stanza, the self is compared to a
1. 2 answers
2. 1,108 views
I am not getting a clear answer. I show what I think is correct:Which of the following is a successful result of the
1. 6 answers
2. 494 views
I need to know how to work this problem:A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it.
1. 4 answers
2. 3,506 views
What is the perimeter of triangle PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane? (1 point)
1. 4 answers
2. 1,642 views
I think I got forgotten...What is the perimeter of triangle PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the
1. 6 answers
2. 3,224 views
Need help on this problem please...What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth.
1. 5 answers
2. 397 views
I have worked this problem several times and get the same answer but it is not the right one, please help...You are tiling a
1. 9 answers
2. 4,531 views
There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x.
1. 1 answer
2. 688 views
I am having a hard time getting the right answer for this problem. Two people disagree. Please help...There is a circular garden
1. 2 answers
2. 548 views
There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x.
1. 6 answers
2. 4,954 views
We have opposing answers, can you help?What is the simplified form of (2x2 + 4x – 3)(3x + 1) ? 6x3 + 10x2 – 5x + 3 * 6x3 +
1. 1 answer
2. 459 views
I keep getting the same answer but it is wrong. How do I work this?M is the midpoint of AB. The coordinates of A are (-4, -2)
1. 2 answers
2. 494 views
Which of the following are the correct units for mass? Tons, u, g, slugs, dyn, lb, oz, kgI put g, slugs, and kg but got it
1. 1 answer
2. 349 views
4. The radius of a cylinder is 3x – 2 cm. The height of the cylinder is x + 3 cm. What is the surface area of the cylinder?2sp
1. 2 answers
2. 622 views
Faith likes to cook at home and buys lots of specialized pans and gadgets for her kitchen. Faith's cooking equipment falls into
1. 3 answers
2. 701 views
Believe it or not this is a geometry question...What is the hypothesis of the given statement? If money grows in trees, then you
1. 7 answers
2. 1,761 views
What is the factored form of the expression? r2 – 49(r – 7)(r + 7) * my answer (r + 7)(r + 7) (r – 7)(r – 7) (r – 7)(r
1. 5 answers
2. 4,239 views
12. A sphere has a radius of 4x + 1. Which polynomial in standard form best describes the total surface area of the sphere? Use
1. 4 answers
2. 919 views
A ball is thrown into the air with an initial upward velocity of 45 ft/s. Its height (h) in feet after t seconds is given by the
1. 5 answers
2. 1,249 views
How do I solve this?Complete the two-column proof. Given : 11x – 6y = –1; x = 8 Prove: 89/6= y 11x – 6y = –1; x = 8 88
1. 4 answers
2. 4,619 views
Correct sentence pattern...Traditional gas-powered cars are harmful to the environment. S-V-O -- my ans?? S-V-IO S-V-N S-V-A
1. 7 answers
2. 3,118 views
Which shows a true conditional with a correctly identified hypothesis and conclusion? (1 point)If it is raining, then the
1. 4 answers
2. 5,464 views
Use the Law of Detachment to draw a logical conclusion from the two given statements. If not possible, choose not possible. If
1. 7 answers
2. 4,320 views
If /BC bisects �ÚABD, and �ÚABC = 5x + 11, �ÚCBD = 10x − 4, then find x.5 3 1 2 I am having trouble with this one,
1. 3 answers
2. 380 views
Name the Property of Congruence that justifies this statement: m¡ÏA + m¡ÏB = m¡ÏC, then m¡ÏA = m¡ÏC ¨C m¡ÏB.Transit
1. 4 answers
2. 2,492 views
Name the Property of Congruence that justifies this statement: m¡ÏA + m¡ÏB = m¡ÏC, then m¡ÏA = m¡ÏC ¨C m¡ÏBTransiti
1. 4 answers
2. 1,389 views
I can't figure this out, please help...A company invests $15,000.00 in an account that compounds interest annually. After two
1. 3 answers
2. 830 views
I can't figure this out, please help...A company invests $15,000.00 in an account that compounds interest annually. After two
1. 5 answers
2. 577 views
hey umm what is 2.4*-0.39
1. 1 answer
2. 317 views
Yukio and his 5 friends want to keep in touch during winter vacation. If they each speak to everyone in their group once during
1. 2 answers
2. 530 views
What is the value of x in the proportion:(x-1)/5 = (4x + 2)/35 How do I go about getting this solved?
1. 5 answers
2. 2,559 views
1. Why do you think the Guomindang and the Communists worked together in China in the early 1920?2. Why do you think Gandhi's
1. 1 answer
2. 415 views
(1/sqrt(1-(3x/4)^2) * 3/4
1. 1 answer
2. 264 views
A jetliner, traveling northward, is landing with a speed of 83.8 m/s. Once the jet touches down, it has 750 m of runway in which
1. 1 answer
2. 410 views
Displacement vector points due east and has a magnitude of 4.58 km. Displacement vector points due north and has a magnitude of
1. 3 answers
2. 799 views
A motorcycle has a constant acceleration of 2.65 m/s2. Both the velocity and acceleration of the motorcycle point in the same
1. 2 answers
2. 695 views
In an historical movie, two knights on horseback start from rest 79.7 m apart and ride directly toward each other to do battle.
1. 1 answer
2. 437 views
You are driving your car, and the traffic light ahead turns red. You apply the brakes for 2.28 s, and the velocity of the car
1. 2 answers
2. 671 views
A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball
1. 3 answers
2. 801 views
From her bedroom window a girl drops a water-filled balloon to the ground, 4.75 m below. If the balloon is released from rest,
1. 2 answers
2. 544 views
I've been reading my textbook, watching Khan Academy, and Googling to no avail. Can someone please help me with the following
1. 2 answers
2. 565 views
5. The local soccer team won the championship a several years ago, and since then, ticket prices have been increasing $20 per
1. 2 answers
2. 771 views
A satellite has a mass of 6445 kg and is in a circular orbit 4.14 × 105 m above the surface of a planet. The period of the
1. 1 answer
2. 438 views
Your original purchase price was $825.00 plus 7% sales tax. You enter into an agreement where the interest (12.5% APR) is waived
1. 5 answers
2. asked by Sandra
3. 6,035 views

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