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wariber [46]
3 years ago
8

Can somebody help me with this question?​

Mathematics
1 answer:
sergejj [24]3 years ago
6 0

Answer:

.

Step-by-step explanation:

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How do I Solve for x: -2(x+3)=-2x-6
BlackZzzverrR [31]

Answer:

Step-by-step explanation:

all you need to do is use the distributive property and then you"ll get the answer

8 0
3 years ago
Solve the system of linear equations by substitution.<br> 3x + y = -9<br> y=5x+7
11Alexandr11 [23.1K]

Answer:

The solution is x = -2, y = -3

Step-by-step explanation:

Let's start with the equation 3x + y = -9

Substitute the y for 5x+7 seen in the second equation

Now you have 3x + (5x+7) = -9

Lets solve:

Let's add the x's

Now we have 8x + 7 = -9

Substracy seven from each side

Now we have 8x = -16

Now let's divide 8 on each side

Now we have x = -2

Now lets plug in -2 to the second equation

The second equation is y = 5x+7

When we plug in -2 we get y=5(-2)+7

We multiply

We now have y = -10+7

Add

y = -3

The solution is x = -2, y = -3

8 0
3 years ago
Regular polygons can be either concave of convex, as long as all angles are congruent and all sides are congruent.
nataly862011 [7]
When a polygon is both equilateral and equiangular it is called a regular polygon. So angles have to be equal and sides have to be equal...like a square..a square is a regular polygon. So ur answer is TRUE.
7 0
3 years ago
Can anyone help me do this please
allochka39001 [22]

Answer:

1) ∆BIG= ∆FAJ (i can't read it perfectly but i think these are the correct letters)

2)TNY

3) QWE(maybe F, cant read it perfectly)

4) VOR

5) AYD

6) GNH

7) MSE

8) TCA

9) ATE

Step-by-step explanation:

you need to look at the hashes, each segment that had one hash, is equivalent to the other segments with one hash, and so on. then you have to look and see which segments match on each shape. so let's say that if H is the same as A, and I is the same as B, and J is the same as C, then in ∆ HIJ, it would be equivalent to ∆ABC

5 0
2 years ago
C. Neilsen reported that children between the ages of 2 and 5 watch an average of 25 hours of television per week. Assume the va
zubka84 [21]

The following information about the mean and standard deviation has been provided:

ц=25, б=3,n=20

We need to compute Pr(X⁻≥26.3).

The corresponding z-value needed to be computed is:

Z=\frac{X-u}{o/\sqrt{n} } =\frac{26.3-25}{3/\sqrt{20}  }=1.9379

Therefor, we get that

Pr(X\geq 26.3)=Pr(Z\geq \frac{26.3-25}{3/\sqrt{20} } )=Pr(Z\geq 1.9379)\\=1-0.9737=0.026

3 0
3 years ago
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