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2 years ago

Write using exponents (-4)(-4)

Mathematics

2 answers:

tia_tia [17]2 years ago

5 0

(-4)^2, that's it.
Hope it helps

Crazy boy [7]2 years ago

4 0

The exponent form of the above the question above would be $-4^{2}$

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Convert 6 4/9 into a decimal

Gennadij [26K]

The answer is 6.444 and repeat

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3 years ago

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Samantha Cruz has 200 coins (quarters and dimes). She has $44.00. Write a system of equations and determine how many quarters= _

marishachu [46]

Answer:

Step-by-step explanation:

how many coins: d + q = 200

value of the money .10d + .25q = 44

(ten cents for each dime and 25 cents for each quarter)

Now to solve by elimination:

1)multiply the first row by -10 so that the dimes will cancel out.

-.10d + -.10 q = 20 (don't do anything to second row)

.10d + .25q = 44

2) now add those up.

the dimes cancel out.

.15 q = 64

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2 years ago

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vagabundo [1.1K]

Answer:

1. 59 2.90 4.31 3. Sorry I dunno

Step-by-step explanation:

1. the 59 degrees is the same.

2. It's a perfect angle

3. Sorry

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2 years ago

What is the slope of the line which passes through the

Gelneren [198K]

Answer:

Step-by-step explanation:

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2 years ago

Help!! - 2.10 - (4 points)

Brrunno [24]

Answer:

Approach: Difference of Squares Pattern

$4 {x}^{2} - 25 = (2x - 5)(2x + 5)$

Step-by-step explanation:

The given binomial is:

$4 {x}^{2} - 25$

We can rewrite to obtain:

${(2x)}^{2} - {5}^{2}$

This is a difference of two squares, so we will factor using difference of squares pattern.

Recall that:

${a}^{2} - {b}^{2} = (a + b)(a - )$

If we let

$a = 2x$

and

$b = 5$

Then we can factor the given binomial to obtain:

${2x}^2 - {5}^{2} = (2x - 5)(2x + 5)$

$\therefore4 {x}^{2} - 25 = (2x - 5)(2x + 5)$

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3 years ago