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Austin
Questions and answers by
Austin
, page 2
Questions (359)
The units digit of a two-digit number is 1 less than the square of the tens digit. The number reversed is 7 more than twice the
2 answers
468 views
Please help me find the AOS for this... y= -5xsquared - 10x
1 answer
303 views
Please help me find the AXIS OF SYMMETRY for this...
y= -5xsquared-10x
1 answer
356 views
A group of goats and ducks have a total of 99 heads and legs among them. There are twice as many ducks as there are goats. How
1 answer
240 views
A football is kicked off the ground at an initial upward velocity of 20 m/sec.
(We are using d=rt-5t^2) a. Calculate the altitude
3 answers
635 views
How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another
2 answers
1,182 views
How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another
4 answers
1,006 views
How does thinking critically influence thw ways you read, write and process information?
3 answers
410 views
How does thinking critically influence the ways you read, write and process information?
4 answers
580 views
I can't find any information on Homer, author of the Odyssey. Is there a good website i could use other than Wikipedia?
1 answer
479 views
Do different line sources emit different line spectra?
1 answer
310 views
i need some explanation on Area of Trapezoids and Parallelograms....? can some body explain how to find the area?
3 answers
570 views
How do I convert a percent WITH a repeating decimal to a fraction?! I need fast help plz!!
10 answers
1,133 views
Large geomagnetic storms can cause surges of electric current here on Earth. What is the MOST LIKELY result of a large surge in
3 answers
535 views
what is the anwser??
4c-5=-14c+67
3 answers
299 views
Why did Grok jump up and down the first time he saw a variable in algerbra class?
11 answers
2,562 views
y varies directly as x, and y=20 when x=5
2 answers
940 views
The circumference,y, of a circle varies directly with the diameter,x, of the circle. Write an equation if y=44cm when x=14cm.
3 answers
924 views
square root of 75 - square root of 12.
simplify
1 answer
365 views
If f(x) = - 2x2 + 2x - 3, what is f(5)?
2 answers
521 views
Solve: 1/2x+3<4x-7
1 answer
318 views
A chemist carries out a reaction between 10.0g of sodium and 20.0g chlorine. Which reactant element is present in excess? What
2 answers
503 views
A person jumps from the roof of a house 4.0- high. When he strikes the ground below, he bends his knees so that his torso
4 answers
1,891 views
Consider the system shown in the figure with = 9.5 and = 15.0 . The angles = 59 and = 32. 1)In the absence of friction, what
2 answers
499 views
Fill in the blank...
a. The alphabet we use today is based on the one conceived by the ancient ______ of the eastern
4 answers
452 views
How do you draw 2 shapes with an area of 6 square units and a permeter of 12 units?
1 answer
314 views
Using a grid. Draw two different figues that each have a perimeter of 14.
1 answer
348 views
The rectangular label will completely cover the lateral surface of the can using as little paper as possible. If the can has a
1 answer
366 views
In a science fair experiment, 2 units are selected for testing from every 500 units produced. How many ways can these 2 units be
2 answers
814 views
The Modern Drama collection theme is Opening Doors. Discuss examples of the ways in which doors and keys are used as symbols in
3 answers
452 views
how do you figure out 9,234 divided by [3x3(1+8 to the 3rd power)]
2 answers
516 views
Emily wants to buy turquoise stones on her trip to New MExico to give to at least 4 of her friends. The gift shop sells stones
2 answers
1,051 views
The probability of rolling a die and getting an even number is 1/2. If you roll the die twice, the probability of getting a even
5 answers
3,876 views
Isaac newtons theory of universal gravitation states that the equation F=G m^1m^2/r^2 can be used to calculate the amount of
4 answers
1,395 views
What is the state/phase of sodium at 24 degrees celsius?
1 answer
360 views
I'm doing quadratic equations x^2 +bx+c =0. I know how to questions like x^2 +17x +42 =0 but this one says, j^2-9jk-10k^2. I
3 answers
372 views
How many mL of .2475M Sr(OH)_2 solution are needed to neutralize 25 mL of 0.1542M HCL solution in the reaction
2HCl + Sr(OH)_2 ->
1 answer
373 views
A ladder, mass 40 kg, 5 m long, is leaning against a vertical frictionless wall at
an angle of 50egrees to the vertical. It is
2 answers
620 views
what is the present name of Persia?
1 answer
358 views
A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule
1 answer
436 views
A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule
1 answer
427 views
One end of a massless coil spring is suspended from a rigid ceiling. It is found that when a 3.3 kg mass is suspended from it
2 answers
757 views
A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule
1 answer
413 views
Look for a pattern in each table of values to determine which model best describes the data. Then write an equation for tue
2 answers
1,101 views
What are the factors of 65
12 answers
394 views
What do the British call the American Revolution,due to the "Little Colonies" being a thorn in the mighty British Empire side?
4 answers
402 views
The largest town square in the world is Tiananmen Square in Beijing, China, covering 98 acres.
A. 1 sq mile is 640 acres.
4 answers
1,243 views
How did Roosevelt deal with France in the beginning of world war 11
3 answers
1,003 views
im really confused about this question:
2x-3y=21 y=3-x using substitution method. please help
4 answers
855 views
A ball is thrown upward from the ground with an initial speed of 23.1 m/s; at the same instant, a ball is dropped from a
2 answers
577 views
Bronson and a friend are going to carry a canoe across a flat field, describe the shortest path they can use.
1 answer
447 views
make separate absolutes for each of the following:
Moshe the Beadle- spiritual leader, outsider Elie's father- closest relative,
4 answers
498 views
y=1/4x-1
1/2y=x-2 2x+3y=3 3y=5-2x 4x-y=3 4x=y=1 I don't understand this can someone please help me! This is Systems of Equations
5 answers
359 views
name the integer values of x that form a triangle with 12-x, 12, 12+x
1 answer
408 views
Mariah is planting a rectangular rose garden. In the center of the garden, she puts a smaller retangular patch of grass. The
1 answer
435 views
A scientist measures the standard enthalpy change for the following reaction to be -53.4 kJ :
Ca(OH)2(aq) + 2 HCl(aq) CaCl2(s) +
2 answers
887 views
A scientist measures the standard enthalpy change for the following reaction to be -53.4 kJ :
Ca(OH)2(aq) + 2 HCl(aq) CaCl2(s) +
2 answers
963 views
/|
/ | / | b / | / | 20 / | / | /_______| a a+b=20
1 answer
251 views
Which of the following tactics did many States once use to disenfranchise African American voters?
A. "motor voter" laws B. age
7 answers
1,338 views
Why does seafloor spreading occur?
2 answers
856 views
Use the formula d=rt to find the value of the missing variable
d= 48 feet, t= 16 seconds r= ? ft/sec
1 answer
369 views
Solve the linear inequality
x/7 +3x/14 ≤ 4/7 The solution set is?
1 answer
348 views
The perimeter of a rectangle equals the sum of the lengths of its four sides. If the width of a rectangle is 4 inches and its
3 answers
644 views
what is the difference between a scatter plot and a line graph?
2 answers
505 views
How do you write a system of linear equations in two variables?
Explain this in words and by using mathematical notation in an
3 answers
609 views
What are two symbolic techniques used to solve linear equations?
1 answer
329 views
How many solution sets do systems of linear inequalities have?
Do solutions to systems of linear inequalities need to satisfy
4 answers
997 views
|(2x-5)/3| = |(3x+4)/2|
3 answers
250 views
Do the equations x = 4y + 1 and x = 4y - 1 have the same solution?
How might you explain your answer to someone who has not
1 answer
358 views
Do the equations x = 4y + 1 and x = 4y - 1 have the same solution?
How might you explain your answer to someone who has not
1 answer
295 views
I am so lost!
Solve the equation and check the solution -6(t-2)-(t+3)=2 The solution to t is ??
1 answer
371 views
y=x+z
x=8 z=12 what is that value?
3 answers
260 views
Use the distributive property to rewrite the expression
(b+6)8=
3 answers
393 views
A piece of a newly synthesized material of
mass 25.0 g at 80.0 ◦ C is placed in a calorimeter containing 100.0 g of water at
4 answers
1,769 views
How much heat is required to heat 28 g of
solid silver from 130 ◦ C to liquid silver at 961 ◦ C? The specific heat of solid
4 answers
1,366 views
The enthalpy of combustion of benzoic acid
(C6H5COOH) which is often used to calibrate calorimeters, is −3227 kJ/mol. When
2 answers
796 views
When 0.572 g of compound X is burned completely in a bomb calorimeter containing 3000
g of water, a temperature rise of 0.461 ◦
1 answer
467 views
The enthalpy of combustion of benzoic acid
(C6H5COOH) which is often used to calibrate calorimeters, is −3227 kJ/mol. When
2 answers
514 views
Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this?
2 answers
788 views
The combustion reaction for benzoic acid
C6H5CO2H(s) + 15 2 O2(g) → 7 CO2(g) + 3 H2O(ℓ) has ∆H0 = −3226.7 kJ/mole. Use
3 answers
1,740 views
One mole of carbon (12.0 g) in the form of
crystalline graphite is burned at 25 ◦ C and 1.000 atm pressure to form CO2(g). All
2 answers
601 views
Given the standard heats of reaction
Reaction ∆H0 M(s) + 2 X2(g) → MX4(g) −123.7 kJ/mol X2(g) → 2 X(g) +297.3 kJ/mol M(g)
3 answers
812 views
Calculate the entropy change when 2.42 g of
H2 reacts with O2 according to the reaction 2 H2(g) + O2(g) → 2 H2O(ℓ) at 298 K
4 answers
2,135 views
Calculate the equilibrium constant at 300 K
for the reaction HgO(s) ↽⇀ Hg(ℓ) + 1/2O2(g), given the data delta S delta h �
2 answers
583 views
A plane flying at an altitude of 10,000 feet begins descending when the end of the runway is 50,000 feet from a point on the
2 answers
1,621 views
Solve the equation in the real number system
X^4+11x^3+24x^2-23x+35=0 Please show work
1 answer
465 views
solve the following exponential equation
9^x=6 I get In6/In9 what is the answer approximated three decimal places?
1 answer
416 views
Solve the following equation.
log4(x+2)=lo4^7 Both of the 4's should be dropped down.
6 answers
347 views
write the expression as a sinle logarithm. express powers as factors.
In (x/x-1)+In(x+1/x)-In(x^2-1) Please show work.
2 answers
588 views
use properties of logarithms to condense the loarithmic expression. write expression as a sinle logarithm whose coefficient is
3 answers
558 views
solve the equation
log lower 6(x+9)-log lower 36 x =1 the 6 and 36 should be dropped down, then (x+9) and the x are higher.
2 answers
799 views
solve the following exponential expression.
e^x+e^-x=6
1 answer
269 views
a 6.33-Liter football is filled with air at 1.75 atm at 25.5 degrees Celcius. At the same temperature, the volume of the
2 answers
534 views
11. Structural failure in a roof may be due to
A. the presence of a vapor barrier between the attic floor and the ceiling below.
2 answers
647 views
16. Brick ties in brick veneer walls allow for
A. water drainage. B. air circulation. *C. expansion. D. inspection.
2 answers
1,171 views
15. Sagging in floor joists is typically caused by
A. oversized joists. B. undersized joists. C. improper nailing of
4 answers
1,237 views
ABCD is a quadrilateral inscribed in a circle with AB = 1, BC = 3, CD = 4 and DA = 6. What is the value of \sec^2 \angle BAD?
2 answers
554 views
How many integers satisfy the inequality
\left| \frac { 10(x+1) } {x^2 + 2x + 3 } \right| \geq 1?
2 answers
725 views
Given that 1g of Phenacetin requires 82mL of hot water to dissolve, or 1310mL of cold water (TY= 3.92g):
1) How much water will
1 answer
467 views
Ft is a periodic function with a period of 7 and an amplitude of 3. What is the period and amplitude of the function
1 answer
394 views
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