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2 years ago

I need help with these questions tell me which question you are answering when solving.

Mathematics

1 answer:

viva [34]2 years ago

7 0

I gotchu homie. So the straight lines are all 180degrees. So if you have the value for c on the first question, use 180-83 to solve for 4 and 2. That way you can use 180-whatever4is to get 3. You got this

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Suppose that 6 years ago, Alice was four times as old as Betty. In 4 years from now, Alice will only be three times as old as Be

N76 [4]

4b=a then plus 10 to see if the age holds true to 3b=a in ten years. Then since the question is how old is she today? You must either add 6 to young age (of20) or minus 4 from the older (of 30).
So Betty would be 26 today.

5 0

2 years ago

Solving by the substitution method<br> y=3x+7<br> y-5x+8

Sveta_85 [38]

3x+7-5x=8
-2x+7=8
-2x=1
X=-1/2
y=3(-1/2)+7
y=-1.5+7
y=5.5

6 0

2 years ago

The formula can be used to work outthe cost, in riyals, of hiring a helmet inQatar for a number of days.Kasun wants to hire a bi

Margaret [11]

Answer:

The answer is below

Step-by-step explanation:

a) Cost of hiring the bicycle for 14 days is:

Cost = 65 * 14 days + 44 = 954 riyals

b) The number of days the bicycle is hired is to be the same as the number of days the bicycle is to be hired. Let us assume that the bicycle and helmet is to be hired for x days, hence:

Cost of bicycle = 65 * x + 14 = 65x + 44

Cost of helmet = 12.5 * x = 12.5x

Total cost = 65x + 44 + 12.5x = 77.5x + 44

Since 750 riyals is available, hence:

750 = 77.5x + 44

77.5x = 706

x = 9.11

Therefore the maximum number of days is 11. The total cost for 11 days is:

Total cost = 77.5(9) + 44 = 741.5 riyals

Money not spent = 750 riyals - 741.5 riyals = 8.5 riyals

6 0

3 years ago

Find the distance between each pair of points whose coordinates are given. Round to the nearest tenth if necessary.

cestrela7 [59]

Answer:

5.8

Step-by-step explanation:

Y e s .

Using the Distance formula and all.

5 0

3 years ago

SQUARE ROOT OF 16<br><br>THANKS

Mila [183]

Answer:

Step-by-step explanation:

FAQs on the Square Root of 16

The square root of 16 is 4.

8 0

2 years ago

Read 2 more answers