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lord [1]
4 years ago
8

Use the distributive property to write an expression equivalent to 5 Times (3+4)

Mathematics
1 answer:
ivolga24 [154]4 years ago
6 0
The distributive property states:

a(b+c) = ab + ac

Using that we get:

5\times (3+4)\\5(3+4) \\5(3) + 5(4)\\15 + 20\\35

You could also do it like:
5(3+4)\\5(7)\\35

So an expression that is equivalent to 5(3+4) is:

7(2+3)

That is your answer. It gets you the same final answer of 35.

Hope that helped :)
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Parallel lines have to have the same slope.  The must stay the same distance apart at all times to be parallel and the only way to do that is to change in exactly the same manner as they move so slope is the change in x over the change in y.  it must be the same

7 0
3 years ago
Adding and Subtracting Decimals
Alex17521 [72]

Answer: 14.353 or 18.647

Step-by-step explanation:

Hi.

Subtracting:

16.5 - 2.147 = 14.353

Adding:

16.5 + 2.147 = 18.647

5 0
2 years ago
a. What is the area and circumference of circle P? Explain how you calculated this answer. b. If the arc measure of arc COD is 1
Vikki [24]

Answer:

a) 9*π or approx 28.26

b) ∡CRB=100°

Step-by-step explanation:

As known for secants crossing each other inside the circle is coorect the following:

BR*RD=AR*RC

=> 3*RD=4*4.5

RD=6

The diameter of the circle with center P is BD=BR+RD=3+6=9

So the radius of the circle is D/2=9/2=4.5

As known the circumference of any circle can be calculated as

C=2*π*r  , where r is the circle's  radius

So C=2*4.5*π=9*π= approx   3.14*9=28.26

b) ∡CRB=∡ARD= (arcBC+arcAD),  where arcBC and arcAD smaller arcs

BD is the circle's  diameter, so arc BD=180°

So arcBC=180°-arcCOD=180°-100°=80°

Similarly arcBD=180°

arcAD=180°-arcBSA=180°-60°=120°

∡CRB= (80°+120°)/2=100°

5 0
3 years ago
PLEASE HELP Solve |10x + 15| >= 105
yan [13]
|10x + 15| \geq 105\\
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|2x+3|\geq21\\
2x+3\geq21 \vee 2x+3\leq-21\\
2x\geq 18\vee2x\leq-24\\
x\geq9 \vee x\leq-12\\
x\in(-\infty,-12\rangle\cup\langle9,\infty)
8 0
3 years ago
Describing each step.
Firlakuza [10]

Answer:

1-2

Step-by-step explanation:

It's 1-2 beacause from 1-2 the oriantation did not change, the size did not change, the shape did not change, and it was not a mirror image

8 0
3 years ago
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