3 years ago

HELP!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Shalnov [3]3 years ago

6 0

Answer:

multiply them together it will be 120

Step-by-step explanation:

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Which expression can be used to find the area of the rectangle shown on the coordinate plane?

insens350 [35]

Answer:

Step-by-step explanation:

Size of the rectangle:

7 units by 8 units

Area

7*8 = 56 sq. units

7 0

3 years ago

Charlotte is running at a rate of 9\,\dfrac{\text{km}}{\text{h}}9

finlep [7]

<h3>Answer: Charlotte's speed in meter/second is 2.5m/s.</h3>

Step-by-step explanation:

Given speed of Charlotte in kilometer per hour = 9 km/h

We need to find the Charlotte's speed in meter per second.

We know 1 kilometer = 1000 meter

And 1 hour = 3600 seconds.

Plugging those values of km and hour in given speed in km/h, we get

$9\ \frac{km}{h} = 9\times \ \frac{1000m}{3600 seconds}$

$=\frac{10m}{4s}= 2.5\ m/s$ .

Therefore,

<h3>Charlotte's speed in meter/second is 2.5m/s.</h3>

4 0

3 years ago

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it says i'm wrong, but i don't see why. could someone explain it? (or maybe the system's just incorrect)

Step2247 [10]

Answer:

i think the answer should be 4y(m+3)/a^2

Step-by-step explanation:

7 0

3 years ago

Use the substitution method to solve the system of equations. choose the correct ordered pair. 2x - y = 103x - 2y = 8

crimeas [40]

$2x-y=10\Rightarrow 2x-10=y \\ 
\Longrightarrow 3x-2y=8\Rightarrow 3x-2(2x-10)=8 \\ 
3x-4x+20=8 \\ -x=8-20=-12 \\ x=12 \\ \\ y=2(12)-10=24-10 \\ y=14 \\ \\ (x,y)=(12,14)$

8 0

3 years ago

Casey has a loan for $400 at a rate of 13% annually. If the interest is not compounded, how much interest will he pay in 3 years

Drupady [299]

$400 * 0.13 * 3 = $156

answer is <span>C) $156.00 </span>

4 0

3 years ago

Read 2 more answers