2 years ago

PLEASE HELP MEH I WIL GIVE YOU 1000

Mathematics

1 answer:

Lostsunrise [7]2 years ago

3 0

you forgot the attachment!

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Write an expression that is equivalent to (4x + 9)

zalisa [80]

As this is already in its simplest form, I believe the only other expression is 4*X +9

4 0

3 years ago

Read 2 more answers

Please Help, Lots of points

Andrei [34K]

Answer:

9 cats

Step-by-step explanation:

x = cat

y = dog

Set up equations.

x + y = 30

4.5x + 8.5y = 219

Multiply first equation by 4.5 and subtract.

4.5x + 4.5y = 135

-(4.5x + 8.5y = 219)

-4y = -84

y = 21

Substitute this y value into the first equation

x + y = 30

x + 21 = 30

x = 9

3 0

2 years ago

(3x^4)-5=43<br><br>How?? <br><br>It's supposed to be - 2?

Sergeeva-Olga [200]

Answer:

I got 2 as an answer

Step-by-step explanation:

$( {3x}^{4} ) - 5 = 43 \\ ( {3x}^{4} ) = 43 + 5 \\ ( {3x}^{4} ) = 48 \\ \frac{ {3x}^{4} }{3} = \frac{48}{3}$

${x}^{4} = 16 \\ \sqrt[4]{ {x}^{4} } = \sqrt[4]{16} \\ x = 2$

6 0

3 years ago

A car travels at a rate of 45 miles per hour for 5 hours. Let y be the distance, in miles, the car travels for a given amount of

Nuetrik [128]

Answer:

0 ≤ x ≤ 5

Step-by-step explanation:

I used the Desmos calculator

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3 years ago

What are the resulting coordinates of triangle A′B′C′ after reflecting triangle ABC across the origin if the vertices of triangl

Roman55 [17]

Answer:

Step-by-step explanation:

When reflecting across the origin, negetives become positives and positives become negetives.

Hope that helps!

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2 years ago