2 years ago

What angle measure is complementary to 87 degrees?

Mathematics

1 answer:

Papessa [141]2 years ago

3 0

I’m pretty sure it’s 93. since a complementary angle is equal to 180, 87 + 93 = 180

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How do you factor quadratics into binomials

fomenos

Answer:

Step-by-step explanation:

Step 1: Write the equation in the correct form. In this case, we need to set the equation equal to zero with the terms written in descending order.

Step 2: Use a factoring strategies to factor the problem.

Step 3: Use the Zero Product Property and set each factor containing a variable equal to zero.

8 0

3 years ago

At a new store a CD costs $15.99. At a second store the same CD costs 0.75 as much. About how much does the second store charge?

evablogger [386]

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8 0

3 years ago

What represents the inverse of the function f(x)=4x

Yuki888 [10]

Answer:

$\frac{x}{4}$

Step-by-step explanation:

The given function is

f(x) = 4x

As we know

f(x) = y, which implies x= $f^{-1} (y)$

Therefore,

y = 4x

x = $\frac{y}{4}$

as x= $f^{-1} (y)$

So,

$f^{-1} (y) = \frac{y}{4}$

replacing y by x in the above expression

$f^{-1} (x) = \frac{x}{4}$

So our inverse function is $\frac{x}{4}$

4 0

2 years ago

143+ [(96 + 8) 5] – 42.

Tresset [83]

Answer:

621

Explanation:

143 + (96 + 8)(5) − 42

(96 + 8)(5)

= 520

143 + 520 - 42

= 663

663 - 42

= 621

7 0

3 years ago

Please help fast! (see picture)

valentina_108 [34]

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2 years ago