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xxTIMURxx [149]
3 years ago
15

Brainliest for first correct awnser

Mathematics
1 answer:
ankoles [38]3 years ago
6 0

Answer:

Step-by-step explanation:

x²y = k, where k is a real constant.

When x = 3.5, y = 8.

=> (3.5)²(8) = k, k = 98.

When y = 8/9,

we have x²(8/9) = (98).

=> x² = 110.25

=> x = 10.5 or x = -10.5.

Since we want the negative value,

the answer is x = -10.5.

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Multiply 5(−37). Simplify your answer.
blsea [12.9K]

Answer:

<h3>A. -2 1/7</h3>

Step-by-step explanation:

Given the expression 5(-3/7)

On simplifying, we have:

= 5 \times \frac{-3}{7}\\ \\= \frac{5 \times -3}{7}\\ \\= \frac{-15}{7}

Express as a mixed fraction

= \frac{-15}{7}\\=  -2 \frac{1}{7}

Hence the correct answer is -2 1/7

7 0
4 years ago
Can someone help please????​
egoroff_w [7]
Y= 80.55% approximately, 80.6% rounded up

Calculations:

The percent (percentage) of a given number p/q can be found, for the most part, without a calculator by a slight change in the notation:

y=the number 29/36 expressed as a percent becomes

y=[29(2.7777777778 approx.)]/[36(2.7777777778 approx.)]

y=0.8055 approx. (Express the decimal numeral as a percent)

y=0.8055(100)

y=

80.55% approx., which is 80.6% rounded up to the nearest tenth percent
5 0
2 years ago
Graph the solution for the following linear inequality system. Click on the graph until the final result is displayed.
S_A_V [24]

Answer:

Step-by-step explanation:

x+y>0, x>0, when y=0

x+y<-5 x<-5 when y=0

since the sign is only< then it is dotted line, and since one is greater and is less than they actually do not intersect

5 0
3 years ago
A college student invests $11,000 in an account paying 8% per year compounded annually. In how many years will the amount quadru
Alinara [238K]
It will quadruple in 18 years.
Hope this helps
7 0
4 years ago
1. A bag contains red apples and yellow apples. The ratio of red apples to yellow apples in the bag is 9 to 4. How many apples a
andre [41]

Answer:

?

Step-by-step explanation:

You can’t know that, because you don’t know how many total apples there are.

6 0
2 years ago
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