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Olenka [21]
3 years ago
10

7. What is the value of x in the solution of this system of equations?

Mathematics
1 answer:
Monica [59]3 years ago
7 0
(x, y) = (10/3, -2)

x = 10/3
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Make for me number 21 thx
xz_007 [3.2K]

Method One

You could divide by 5 right away.

20/5 = - 3 + x

4 = - 3 + x Add 3 to both sides.

4 + 3 = x

x = 7

Method Two.

You could remove the brackets. This is slightly longer, but some questions can only be solved that way.

20 = 5(-3) + 5x

20 = -15 + 5x Add 15 to both sides

20 + 15 = 5x

35 = 5x Divide by 5

35/5 = x

7 = x

8 0
3 years ago
How many 5/8 inch binder clips, laid side by side, make a length of 11 1/4 inches?
ElenaW [278]

Answer:

18

Step-by-step explanation:

make 11 1/4 into improper fraction > 45/4

multiply by 2 so it has same denominator > 90/8

90/8 divided by 5/8 = 18

3 0
3 years ago
Read 2 more answers
INTRODUCTIC<br> If 0° A. 0°, 90°<br> B. 00, 1800<br> C. 90°, 270° D. 09, 270°
kap26 [50]

Answer:

L35

Step-by-step explanation:

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5 0
3 years ago
The displacement, d, in millimeters of a tuning fork as a function of time, t, in seconds can be modeled with the equation d = 0
natulia [17]

The maximum displacement of the tuning fork is 0.4 mm

<h3>What is a tuning Fork ?</h3>

A tuning fork is a acoustic resonator , It is used to tune musical Instruments.

It is given in the question that the

displacement, d, in millimeters of a tuning fork as a function of time, t, in seconds can be modeled with the equation d = 0.4 sine (1760 pi t).

the maximum displacement of the tuning fork = ?

The equation for a sine function is given by

f(t) = A sin(Bt + C) + D

here A is the maximum Displacement

When this equation is compared with the given equation

d = 0.4 sine (1760 pi t).

A = 0.4

The maximum displacement of the tuning fork is 0.4 mm

To know more about Tuning Fork.

brainly.com/question/11811308

#SPJ1

4 0
2 years ago
What makes n true 1/2 (n+4)=6
AlexFokin [52]

Answer: N=8

Step-by-step explanation: So 1/2*4=2 then you know that you need 4 to get to six because you already have two. Then 8/2=4 so N=8.

1/2(8+4)=6

4+2=6

6=6

Hope this helped!!!!!

8 0
3 years ago
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