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KatRina [158]
3 years ago
9

Find the sum of the given polynomials.

Mathematics
1 answer:
ioda3 years ago
7 0
<span>5m + 2n + n - 3m + 7 - 3 n
= 2m + 7

answer
</span><span>B. 2m + 7</span>
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On a highway, you take 3 seconds to increase your speed from 32 to 35 miles per hour. Your speed increases the same amount each
balandron [24]

Answer:

1 to 30 seconds

Step-by-step explanation:

3 seconds increases your speed from 32 to 35 miles per hour

Hence 3 seconds = 3 miles per hour(35-32 miles)

1 second = 1 mile

The function for the increase per mile is therefore:

f(x)= 1x

Where x is number of seconds travelled on the highway

The domain of a function are the possible input values for x. Since the speed limit on the highway is 65 miles, the input values for x cannot be more than 30 seconds(current speed is 35 miles per hour, 65-35=30)

3 0
3 years ago
4. What is the value of the underlined digit?
Arisa [49]

Answer:

hundreth, because it is the second digit after the decimal point.

3 0
3 years ago
Your business partner describes this as a high positive correlation. Is your partner correct? Why or why not? (2 points)
zaharov [31]

Answer:

if the points are in a straight line going upward then they are corect

but if the points are scattered they are wrong its hard to answer this question he graph to look at

4 0
3 years ago
Janine inflated a ball to a radius of 18 cm and another ball to a radius of 12 cm.
irina [24]
Thi answer be 753.6 i wish you good marrow
6 0
3 years ago
Susan has a rectangular fence around her swimming pool. The fence she built was 15 ft long, 10 ft wide and 6ft tall. How many sq
Dmitriy789 [7]

Answer:

300 Square feet

Step-by-step explanation:

Susan built a rectangular fence around her swimming pool.

Length=15ft

Width(or Breadth)=10ft

Height=6ft

To solve this, picture a cuboid with the top and bottom open, that is the key to finding the Surface Area of the Fence.

Surface Area of a Cuboid= 2(LW+LH+WH)

However since the top and bottom are open, the Surface Area becomes

Surface Area of the fence= 2(LW+WH)

                                       =2((15X6)+(10X6)

                                       =2(90+60)=2 X 150 =300

Susan uses 300 Square feet to build her fence.

8 0
3 years ago
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