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Alina [70]
2 years ago
12

A line is drawn through (-7, 11) and (8, –9). The equation

Mathematics
1 answer:
andriy [413]2 years ago
6 0

Answer:

4x + 3y = 5

Step-by-step explanation:

Gradient = -9 -11/ 8 + 7

= -4/3

Equation of the line...

y = mx + c

y = -4/3(x + 7) + 11

Multiplying through by 3...

3y = -4x - 28 + 33

3y = -4x + 5

4x + 3y = 5

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Answer:

144 cm²

Step-by-step explanation:

A prism's surface has 2 triangles & 3 rectangles.

In both the triangles , length of :

Perpendicular = 4 cm

Base = 6 cm

So , Area of both triangles = 2(\frac{1}{2} * Base * Perpendicular) = 2(\frac{1}{2}* 6 * 4) = 24 cm^2

In the 3 rectangles ,

Length = 8 cm

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2 years ago
Guadalupe is making a project for shop class. He has four pieces of
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Answer: The piece of wood will be 23.2 in. long

Step-by-step explanation:

5.8 multiplied by 4 is 23.2

8 0
2 years ago
Tom ordered a jacket at $70, a shirt at $30, and slacks at $38. If sales tax is 6% and the shipping and handling is $10.75, what
vodomira [7]
For question 1, We need to calculate the total, find the tax, then add the shipping cost to the total. (70+30+38=138) now we find the tax (138*0.06=8.28) Now we add the tax and cost together and then the shipping and handling and we have our answer (138+8.28+10.75=157.03) So your answer is A.

For question 2, We need to calculate the total and then find the tax. So, we do this: 25.67*3=77.01. Then we add the skirt to the total (77.01+23.55=100.56). Finally, we calculate the tax cost (100.56*0.08=8.0448). So our total is (100.56+8.0448=108.6048) So the answer is A.
4 0
3 years ago
Chris purchased a new mattress for $1,399. he will need to pay $78 each month on his interest-free loan to pay off the total pri
viva [34]

At least 24 times he need to deposit $ 50 to paying off his total purchase.

<h3>What is Savings?</h3>

Saving is the portion of income not spent on current expenditures. In other words, it is the money set aside for future use and not spent immediately.

Here, cost of mattress = $ 1399

         cost of EMI = $ 78

         Duration of EMI = 18 months

         Total payable amount = 18 X 78

                                               = $ 1404

         Current account balance = $ 250

         Per month savings = $ 50

Duration at which total balance is equivalent to payable amount

                                                                                              = (1404 - 250)/50

                                                                                             = 1154/50

                                                                                             = 23.08

Thus, At least 24 times he need to deposit $ 50 to paying off his total purchase.

Learn more about Savings from:

brainly.com/question/7965246

#SPJ1

8 0
1 year ago
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