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Margaret [11]
3 years ago
12

Evaluate -10+ -8 x -1

Mathematics
1 answer:
hoa [83]3 years ago
7 0
I believe the answer is -8x-11
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A line intersects the point (3,-4) and has the slope of 17. What is the slope-intercept equation for this line
Softa [21]

Answer:

y = 17x - 55

Step-by-step explanation:

Convert the coordinates in point-slope form:

y + 4 = 17(x -3)

y + 4 = 17x - 51

Subtract 4 in both sides:

y = 17x - 55

Thanks!

5 0
3 years ago
You are to paint the globe held aloft by a statue of Atlas. The diameter of the globe is 10.5 in. How much surface area must you
Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

We have been given that we need to paint the globe held aloft by a statue of Atlas. Its diameter is 10.5 in.

First of all we will find the area of globe using area of sphere formula.

, where r represents the radius of sphere.

Since diameter is 2 times the radius, so the radius of our given globe will be:

Since 27 square inches does not need to be painted, so the area we must cover with paint will be:

Upon rounding our answer to nearest hundredth we will get,

Therefore, we must cover 319.36 square inches with paint.

4 0
2 years ago
Maria drove to a business appointment at 50mph in the morning. Her average speed on the return trip in the afternoon was 40 mph.
MakcuM [25]

Answer:

Distance to appointment point = 5 miles

Step-by-step explanation:

Let s be the distance to the appointment point,

We have Maria drove to a business appointment at 50mph in the morning.

Time taken in the morning

               t_m=\frac{s}{50}=0.02s

Her average speed on the return trip in the afternoon was 40 mph.

Time taken in the afternoon

               t_a=\frac{s}{40}=0.025s

Given that the return trip took 1/4hr longer because of traffic.

That is

             t_a-t_m=\frac{1}{4}hr=0.025hr

Substituting

             t_a-t_m=0.025hr\\\\0.025s-0.02s=0.025\\\\s=5miles

Distance to appointment point = 5 miles

7 0
3 years ago
Can someone help me plz
Lina20 [59]

Answer:

second person

Step-by-step explanation:

5 0
3 years ago
Can someone help please I need this asap
son4ous [18]

Answer:

<u>PART:A</u>

10_P_4=5040

<u>PART:B</u>

6_C_2=15

<u>PART:C</u>

6_C_2=15

Step-by-step explanation:

<u>PART:A</u>

When the four officers  are chosen than the number of ways of doing this is:

10_P_4

since we have to choose 4 officers and also they need to be arranged according to their ranks.

Hence, the numbers of ways doing so is:

10_P_4=\dfrac{10!}{(10-4)!}\\\\=\dfrac{10!}{6!}\\\\=10\times 9\times 8\times 7\\\\=5040

<u>PART:B</u>

Now we have to choose 2 members out of the remaining 6 members so the we have to use combination since we have to just choose the members and do not have to rank them or in short we can say we do not have to arrange them.

Hence, the number of ways doing this is:

6_C_2=\dfrac{6!}{2!\times (6-2)!}\\\\=\dfrac{6!}{2!\times 4!}\\\\=15

Hence, the number of ways of doing this is: 15.

<u>PART:C</u>

Now this process of doing so is also same as the above.

Hence, the number of ways of doing so is: 15.

8 0
3 years ago
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