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2 years ago

5

One number is five more than another number. If the square of the smaller number is 3 more than 3 times the larger number, what

are the numbers?

1 answer:

11111nata11111 [884]2 years ago

3 0

Answer:

6 and 11

Step-by-step explanation:

n1 = n + 5

ns^2 = 3 + 3nb

6^2 = 3 + 3(11)

36 = 3 + 33

11 = 6 + 5

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Margarita traces a circle with a radius of 20 centimeters like the one shown below. She will color in the shaded region. What is

lana66690 [7]

Answer:

314 cm ^ 2

Step-by-step explanation:

First do, 3.14 x 20 ^ 2

3.14 x 20 ^ 2 = 1,256

Then do, 1,256/4

1,256/4 = 314

Why 4?

This part of the circle is 1/4 of the entire circle.

What does ^ mean?

It's just a way to say to the power of on a computer.

Hope this helps! :)

7 0

3 years ago

A line has this equation: y = -2x-5 Write an equation for the parallel line that goes through (-3,-5).

zhuklara [117]

Answer:

Step-by-step explanation:

y + 5 = -2(x + 3)

y + 5 = -2x - 6

y = -2x - 11

3 0

3 years ago

What is 9x^2+1 when factoring

alukav5142 [94]

Answer:

(

3

x

+

1

)

(

3

x

−

1

)

is the factorised form of the expression

idk if its right so dont come at me and i also think that it didnt paste right.

6 0

3 years ago

Rachel is a stunt driver. One time, during a gig where she escaped from a building about to explode(!), she drove to get to the

lara31 [8.8K]

Answer:

$D(t)=-24t+166$

Step-by-step explanation:

Let

D(t) = the distance to the safe zone (measured in meters)

t = time (measured in seconds)

<u>Given:</u>

Rachel's rate = 24 meters per second

At $t_1=4$ seconds $D(t_1)=70$ meters

<u>Find:</u> D(t)

Rachel's rate is the slope of the function D(t). Since the distance is decreasing when the time is increasing, the slope must be negative.

Hence, the function expression is

$D(t)=-24t+b$

To find b, substitute $t_1=4$ and $D(t_1)=70:$

$70=-24\cdot 4+b\\ \\70=-96+b\\ \\b=70+96\\ \\b=166$

So,

$D(t)=-24t+166$

7 0

3 years ago

Help me please I really need help with this please someone

kolezko [41]

Step-by-step explanation:

For number 5 the answer would be <em>economy</em> because there is a <u>2 dollar difference</u> and the shampoo bottle has 20 more ounces then the <em>regular</em> bottle. The <u>2 dollar difference</u> changes the whole thing.

For number 6 the answer is still <em>economy</em> because you get more ounces in the bottle of shampoo for a <u>3 dollar difference</u> in the price.

:)

BTW HOPE YOU HAVE AN AMAZING DAY!!!

3 0

3 years ago