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3 years ago

What is the slope-intercept equation for this line? y = [?]x + ( )

Mathematics

1 answer:

kifflom [539]3 years ago

5 0

Answer:

y=-x-3

Step-by-step explanation:

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A building 84 ft high casts a 231-ft shadow. Sarah casts an 11-ft shadow. The triangle formed by the building and its shadow is

julia-pushkina [17]

Answer:

Sarah is 4 ft tall.

Step-by-step explanation:

231÷84= 2.75

11 ft ÷ 2.75 = <u>4 ft</u>

3 0

4 years ago

The manufacturer offers a $125 rebate on photocopiers purchases before january 1. what is the nest cost of a $1,475 photocopier

Yuri [45]

Answer:

The net cost of the photocopier before january 1 is <u>$1350.</u>

Step-by-step explanation:

Given:

The manufacturer offers a $125 rebate on photocopiers purchases before january 1.

Now, to find the net cost of $1,475 photocopier before january 1.

Amount of rebate before January 1 = $125.

Cost of photocopier = $1,475.

So, to get the net cost of $1475 photocopier before january 1 we subtract the rebate from it:

$\$1475-\$125$

$=\$1350.$

Therefore, the net cost of the photocopier before january 1 is $1350.

6 0

4 years ago

Find the equivalent exponential expression. [(-4)^5]^3

Sunny_sXe [5.5K]

Answer:

$-4^{15}$

Step-by-step explanation:

Given expression:

$\left[(-4)^5\right]^3$

$\textsf{Apply exponent rule} \quad (a^b)^c=a^{bc}:$

$\implies (-4)^{(5 \times 3)}$

$\implies (-4)^{15}$

$\textsf{Apply exponent rule} \quad (-a)^n=-a^n,\:\: \textsf{ if }n \textsf{ is odd}:$

$\implies -4^{15}$

4 0

2 years ago

What is the set solution for 4x-3>5 or -2x-7>1

Troyanec [42]

Hello!

With inequalities are solved just like equations. I will solve both below.

4x-3+3>5+3
4x/4>8/4
x>2

-2x-7+7>1+7
-2x/-2>8/-2
x>-4

Our solutions are x>2 and x>-4.

Hope this helps!

6 0

3 years ago

Please, could anyone help????

Kobotan [32]

To find the x intercept you plug in 0 for y then solve for x and to find the y intercept you plug in 0 for x and solve for y in the end you should get x =7/3 and y=-3 if you did the math correctly

7 0

4 years ago

Read 2 more answers