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3 years ago

7

FSA Mathematics Practice Test Questions

1 answer:

Luda [366]3 years ago

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Brainliest would be nice

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The sum of two integers is 9 and the sum of their squares is 53. Find the integers.

Schach [20]

X + y = 9 Subtract x from both sides.
y = 9 - x

x^2 + y^2 = 53
x^2 + (9 - x)^2 = 53 Remove the brackets.
x^2 + 81 - 18x + x^2 = 53 Collect the like terms on the left.
2x^2 - 18x + 81 = 53 Subtract 53 from both sides.
2x^2 - 18x + 81 - 53 = 0
2x^2 - 18x + 28 = 0 This factors, but you can see it much easier if you pull out 2 as a common factor.
2(x^2 - 9x + 14) = 0
2(x - 2)(x - 7) =0 You could divide by 2 on both sides. But you can also leave it.
x - 2 = 0
x = 2
x - 7 = 0
x = 7
If x = 2 then y = 7
If x = 7 then y = 2

6 0

3 years ago

Algebra 1 pls help :)

MaRussiya [10]

Answer:

c

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

What is the solution for 3x-(2+4x)

Ivenika [448]

The answer is - 7x-2

3 0

3 years ago

Read 2 more answers

Due in a couple of minutes! You dont need to solve the estimates! Just need help on the division :)

Yuri [45]

Answer:

<em><u>1=</u></em><em><u> </u></em> 237

<em><u>2=</u></em> 200

<em><u>3</u></em><em>= </em>49

<em><u>4=</u></em> 50

<em>I'm </em><em>99% </em><em>sure these are right.</em>

<em> --------------------------------------------------------</em>

<em> </em><u><em>please let me know if </em></u><u>any are wrong.</u>

<h2> Have a good day<3</h2><h2></h2><h2> </h2>

4 0

3 years ago

The diameter of the wheels on your car is 25 inches. You are going to drive 458 miles today. Each of your wheels is going to tur

Kipish [7]

d = Diameter of wheels = 25 inches

s = Distance to be traveled by the wheels = 458 miles

Converting the miles to inches

$s=458\times 5280\times 12=29018880\ \text{inches}$

The distance traveled by the wheels in rotation is the circumference

$D=\pi d\\\Rightarrow D=\pi\times 25$

The number of rotations required to cover the distance would be

$\dfrac{s}{D}\\ =\dfrac{29018880}{\pi\times 25}\\ =369479.855599$

$1$ rotation is $360^{\circ}$ so

$369479.855599\times 360=133012748.016^{\circ}$

The number of rotations to cover the required distance is $133012748.016^{\circ}$

Learn more:

brainly.com/question/23298088

brainly.com/question/1066067

4 0

3 years ago