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3 years ago

Is this right can someone explain how to do this???

Mathematics

1 answer:

Alex17521 [72]3 years ago

4 0

Do 4x-10 +5x-22+3x+2=180 to find what x equals

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Solve the system of linear equations using any method: y=-x+4 y=2x-8

luda_lava [24]

Can’t you just substitute.
-x+4=2x-8
12=3x
4=x

5 0

3 years ago

SPIDER ~ HNYCMB Find NY, YC, CM, AND MB.

zzz [600]

Answer:

HN = 66, NY = 27, YC = 30, CM = 27, MB = 42,

Step-by-step explanation:

When comparing the two shapes, SPIDER is 0.75 times larger than HNYCMB. Besides this small detail they are the same shape. We can determine this by identifying which sides are most similar and dividing them, if SP "=" HN, then to find the rate at which figure HNYCMB shrank is to divide SP by HN. 66/88 is 0.75. By multipying the sides of figure SPIDER by 0.75, we get our answers.

HN ~ SP, 66 = 88 * 0.75, HN = 66

NY ~ SR, 27 = 36 * 0.75, NY = 27

YC ~ RE, 30 = 40 * 0.75, YC = 30

CM ~ ED, 27 = 36 * 0.75, CM = 27

MB ~ DI, 42 = 56 * 0.75, MB = 42

BH ~ PI, BH = ? Try this one by yourself for understanding

ALSO PLEASE CHECK MATH BEFORE TURNING IN YOUR ASSIGNMENT MATH IS NOT MY STRONG SUIT

5 0

3 years ago

Math help please! Thanks so much!

suter [353]

According do what i came up with. after 3 hours train (A) should be 150 miles out towards Smithville, while Train (B) will be 180 miles out towards Westtown. Its best to graph this out to better understand. so 330/2 = 165, so thats your half way point. use this to determine how far train (A) is from SV compared to train (B)s distance to WT. After 3 hours you can see at 180 miles out Train (B) will be crossing paths with Train (A) at 150 miles. So the answer would be 3 hours

6 0

3 years ago

What is the mean of all three-digit positive integers whose digits are in the set 2, 0, 1, 9.

salantis [7]

The mean for these digits are 3

4 0

2 years ago

Read 2 more answers

Write an equation for the following tile pattern. Figure 2 Figure 3 Figure 4

oksano4ka [1.4K]

Answer:

The general equation following the pattern becomes is 7 + (n - 1)×2

Where, n = The figure number - 1

Step-by-step explanation:

The pattern in the question can be described as follows;

Figure 2 = (5 + 2) squares boxes = 7 squares boxes

Figure 3 = (5 + 2 + 2) squares boxes

Figure 4 = (5 + 2 + 2 + 2) squares boxes

Therefore, the number of squares boxes per figure, form an arithmetic progression (a + (n - 1)d) with the first term a = 7, the common difference d = 2, and the n = the nth term of the series, such that the general equation following the pattern becomes;

7 + (n - 1)×2.

3 0

3 years ago