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shepuryov [24]
3 years ago
13

Ahh I forgot how to do this HELP ASAP PLZZ

Mathematics
1 answer:
salantis [7]3 years ago
8 0

Answer:

The answer is C!

Step-by-step explanation:

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Use the expression below to answer the question 20+8y-9y-21
Juliette [100K]
-y-1 i think that the answer


3 0
3 years ago
Let m = 6x + 5.
arsen [322]

We have been given that m=6x+5. We are asked to write (6x + 5)^2-10 =-18x-15 in terms of m.

First of all, we will factor -3 from right side of equation as:

(6x + 5)^2-10 =-3\cdot 6x-3\cdot 5

(6x + 5)^2-10 =-3( 6x+5)

Now we will substitute m=6x+5 in our equation as:

(m)^2-10 =-3(m)

m^2-10 =-3m

Upon adding 3m on both sides, we will get:

m^2+3m-10 =-3m+3m

m^2+3m-10 =0

Therefore, the equation m^2+3m-10 =0 is equivalent to (6x + 5)^2-10 =-18x-15 in terms of m.

5 0
3 years ago
A parallelogram has an area of 300 square kilometers and a height of 20 kilometers. What is the length of the base?
Neko [114]

Answer: the length of the base is 15 kilometers.

Step-by-step explanation:

formula : Area of parrallelogram  = Length of base x height

Given: Area of parallelogram = 300 square kilometers

height = 20 kilometers

Substituting values in the formula , we get

300 = Length of base x 20

Length of base  = \frac{300}{20}

= 15 kilometers

Hence, the length of the base is 15 kilometers.

4 0
3 years ago
All the freshmen in STEM majors at the college will go on a field trip to the science museum. Counting all students and facultie
Mrrafil [7]

Answer: 6

Step-by-step explanation: 169/33=5.12121212121 so on. However, you still need a bus for the desimal people so you have to add another bus

3 0
3 years ago
Missy recorded the number of minutes she spent exercising for the last 11 days. The table below shows some of her data. if the m
snow_tiger [21]
The answer is A because if you take the mean "25" and Multiple by 11 "the amount of days" then subtract "the minutes" 22,13,11,38,24,51,29,and 21 u get 66 and 66÷2=33 hope this helps
3 0
2 years ago
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