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vladimir2022 [97]
3 years ago
14

Please Help???!!! I'm a 7th grader and need help! will give 20 points!​

Mathematics
1 answer:
Ganezh [65]3 years ago
5 0

Answer:

3. d= 20mm

4. r= 8 in

5. d= 14 mi

6. r= 11 yd

Step-by-step explanation:

Radius is half of diameter.

Example:

What is the diameter of a circle with a radius of 4?

If r = 4, d = 8

Do radius times 2.

Example 2:

What is the radius of a circle with a diameter of 10?

D = 10, so r = 5

Do diameter divided by 2.

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A game has 28 white balls and 12 red balls in a bag, and you will randomly select one ball from the bag. If
Vera_Pavlovna [14]

Answer:

There are 40 balls in the bag. The probability of selecting a white ball is 28/40, simplified to 7/10. The probability of selecting a red ball is 12/40, simplified to 3/10. You are more likely to get a white ball so you will most likely lose $5.

Step-by-step explanation:

3 0
3 years ago
Solve triangle ABC<br>B=56 degrees, a=14<br>​
aliya0001 [1]
I believe B - 56 and the other two would be 17? but I’m not completely sure
7 0
3 years ago
Jenna eats dinner at a restaurant. Her bill is $14.50 Jenna pays her bill and leaves a tip. Write an inequality to represent the
Sophie [7]

Answer:

Step-by-step explanation:

x>14.50+y

7 0
3 years ago
-1/4d-2/5d=39 <br> Solve for d <br> Please explain I don’t understand
Papessa [141]

Given:

The equation is

-\dfrac{1}{4}d-\dfrac{2}{5}d=39

To find:

The value of d.

Solution:

We have,

-\dfrac{1}{4}d-\dfrac{2}{5}d=39

Taking LCM, we get

\dfrac{-5d-8d}{20}=39

\dfrac{-13d}{20}=39

Multiply both sides by 20.

-13d=39\times 20

Divide both sides by -13.

d=\dfrac{39\times 20}{-13}

d=-3\times 20

d=-60

Therefore, the value of d is -60.

4 0
3 years ago
10 POINTS!!
Arlecino [84]
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3 years ago
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