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umka21 [38]
3 years ago
13

Please help don’t understand

Mathematics
1 answer:
TEA [102]3 years ago
8 0

Answer:

3b+9n-8

Step-by-step explanation:

Combine like terms:

7b+8n-4b-8+n=3b+8n-8+n

Combine like terms:

3b+8n-8+n=3b+9n-8

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Pls help 10 points for whoever helps
vovikov84 [41]

Answer:

see image

Step-by-step explanation:

Putting the data on the line plot is not too bad. Just put an x above the number on the numberline. If a number in the data set repeats, just stack those x's up over the numberline. It seems like the hardest part is labelling the number line. Each tick mark can be 1/8. On the image I wrote all the fractions in eighths at the bottom, then to label the numberline I used the simplified fractions. For example I started with 1 3/8 because it was the smallest number in the data set. Next is 1 4/8, but simplified that is 1 1/2. So 1 1/2 is how we label the numberline.

There were 12 pieces of data, but really only six numbers because some were repeated.

Stack x's above the numberline. Done! You have a line plot. See image.

7 0
2 years ago
Read 2 more answers
Mississippi has the lowest median income at 40.6 thousand dollars. Mississippi also has about 207 bachelor’s degrees per 1,000 p
horsena [70]

Answer:

178

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the product. Enter your answer in the box below as a fraction, using the slash mark (/) for the fraction bar.
MakcuM [25]

Answer:

5/7

Step-by-step explanation:

In order to multiply fractions, multiply the numerators together and multiply the denominators together - the answers will be the numerators and denominators of the product, respectively. Also, remember that 5 can also be expressed as \frac{5}{1} in fraction form since it is a whole number.

Knowing this, multiply like so:

\frac{1}{7} · \frac{5}{1}

= \frac{5}{7}

Therefore, 5/7 is the answer.

6 0
3 years ago
A toy company manufactures arcade games. They are marketing a new pinball machine to children. It is similar in size to the adul
nikdorinn [45]

First we need to find the distance from G to A, or the length of segment GA

For now we'll call this x since it's unknown. This value x adds to the other three sides of the figure to get the perimeter to be 172 inches (given)

So,

EG + GA + AM + ME = perimeter

56 + x + 56 + 35 = 172

x+147 = 172

x+147-147 = 172-147 .... subtract 147 from both sides

x = 25

So segment GA is 25 inches

We'll use this to find the length of segment G'A' which corresponds to GA

The other horizontal sides EM and E'M' also correspond, so we'll pair these sides up and form the proportion below

(GA)/(G'A') = (EM)/(E'M')

which turns into this

25/y = 35/14

when we use y in place of G'A'. Like x, y is unknown at first until we solve for it. Let's isolate y

25/y = 35/14

25*14 = y*35 .... cross multiply

350 = 35y

35y = 350

35y/35 = 350/35 .... divide both sides by 35

y = 10

---------------------------------------------------

<h3>Final Answer: The length of G'A' is 10 inches</h3>
3 0
3 years ago
Please help please really need help please
just olya [345]

Answer:

x = 1

y = -2

Step-by-step explanation:

5x - 2y = 9 -----------(I)

2x + 7y = -12 --------------(II)

Multiply (I) by 7          35x - 14y = 63

Multiply (II) by 2         <u>4x + 14y  = - 24</u><u>  </u> {Now add and thus y will be eliminated}

                                  39x         =      39

                                          x = 39/39

x = 1

Plugin x = 1 in equation(I)

5*1 - 2y = 9

5 -2y = 9

    -2y = 9 -5

    -2y = 4

        y = 4/-2

        y = -2

8 0
3 years ago
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