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Anvisha [2.4K]
4 years ago
8

Quincy ran from one corner of a field to the opposite corner, a distance of 100 yards. Then he ran along its length, a distance

of 80 yards. How wide is the field?
Mathematics
1 answer:
Goryan [66]4 years ago
5 0

Answer:use Pythagorean theorem to sole this. The problem gives you the hypotenuse and one side, so you need to find the other side.

Step-by-step explanation: Use

a^2 + b^2 = c^2.

80^2 + b^2 = 100^2

6400 +b^2 = 10000

-6400. -6400

b^2 = 3600

Square root each side of the equation

b = 60

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Mary had $25,000 to invest. She invested part of that amount at 3% annual interest and part at 5% annual interest for one year.
emmasim [6.3K]
(25000-f)(.03)+.05f=1100

750-.03f+.05f=1100

750+.02f=1100

.02f=350

f=$17500

So Mary invested $17500 @ 5% and 7500 at 3% to earn $1100 in interest.


3 0
3 years ago
Can u help me pls they are exponents with multiplication and division
Ronch [10]
When there is a multiplication involving exponents, we need to evaluate the numbers and each variables separately. In this case, we have 5 and 4 as the numbers, and w and h for the variables.

When we multiply 5 and 4 we get:
5 \times 4 = 20

For w, we have {w}^{6}, {w}^{4}, w. While we are multiplying the w's, we need to add the exponents together to get the final answer: {w}^{6} \times {w}^{4} \times w = {w}^{11}

For h's, there are {h}^{2}, {h}^{5}, {h}^{4}. When we apply the same thing to h's, we get {h}^{2} \times {h}^{5} \times {h}^{4} = {h}^{11}

For the final step, we need to write all of these together: 20 \times {w}^{11} \times {h}^{11} \: \: or \: \: 20 {w}^{11} {h}^{11} \: \: or \: \: 20 {(wh)}^{11}
3 0
4 years ago
Help! Write the standard equation of a circle with center (-4,0) and radius 1.5.
Andru [333]

Answer:

Step-by-step explanation:

(x+4)² + y² = 1.5²

6 0
3 years ago
If you cant see it nicely this is the question 17.2 hg=___g
Sophie [7]
1 hectogram = 100 grams
17.2 hectogram = 17.2 * 100 grams = 1720 grams.

17.2 hg = 1720 g

Your final answer is 1720 grams.
8 0
3 years ago
Evan and Jose are finding <img src="https://tex.z-dn.net/?f=3%20%5Cfrac%7B3%7D%7B4%7D%20-1%20%5Cfrac%7B7%7D%7B2%7D%20" id="TexFo
alisha [4.7K]
Jose is right
Evan's last calculation should have been 2 (-1/8) because 6 - 7 = -1

6 0
4 years ago
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