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Nonamiya [84]
3 years ago
11

-9 is less than or equal to x and 7 is greater than or equal to x

Mathematics
1 answer:
const2013 [10]3 years ago
8 0
Plot a point at "-9" and the other at "7". Both dots will be shaded in.
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Jerry paid $99.30 for 6 shirts.how much did jerry pay for each shirt?
Over [174]

The answer is 16.55

Divide $99.30 by 6 and you get your answer!

I hope this helps :)

5 0
3 years ago
Suppose that y varies directly as the square root of x, and that y=21 when x=361. What is y when x=247? (Round off your answer t
igomit [66]

Answer:

17.37

Step-by-step explanation:

y varies inversely as the square root of x

Mathematically:

y = k.root x

We first find k here

To find k, we were made to know that y is 21 and x = 361

k = y/root.x

k = 21/root. 361

k = 21/19

now what is y when x = 247

From y = k.root x

y = 21/19 * root 247

y= 21/19 * 15.72

y = 17.37

8 0
2 years ago
Help me with this question please!! no links!!
In-s [12.5K]
50.24
4 squared is 16
16•3.14= 50.24
A= 3.14(4)^2
:)
3 0
2 years ago
If f(x, y)=xy−x^2, what is the value of f(f(−2, 3), −4)? Explain your reasoning.
hjlf

\bf f(x,y)=xy-x^2 \\\\[-0.35em] ~\dotfill\\\\ f(\stackrel{x}{-2},\stackrel{y}{3})=(-2)(3)-(-2)^2\implies f(-2,3)=-6-(4)\implies f(-2,3)=-10 \\\\[-0.35em] ~\dotfill\\\\ f(~~\underline{f(-2,3)},~~-4)\implies f(\stackrel{x}{\underline{-10}},\stackrel{y}{-4})=(-10)(-4)-(-10)^2 \\\\\\ f(-10,-4)=40-(100)\implies f(-10,-4)=-60

3 0
3 years ago
Sharon is planning a holiday for 4 people for 7 days.
sineoko [7]

Answer:

£ 3600

Step-by-step explanation:

Each PERSON cost:

Travel cost 130 (assume for whole 7 days since per day is not written)

Hotel 60 per day (so 7 days = 60 * 7 = 420)

Money Spend 350 (assume for whole 7 days since per day is not written)

-------------------------------------------------------------------------------------------------------------

Now, that sums to:

130 + 420 + 350 = £900 [each person for whole 7 days]

Now, there are 4 person, so total cost of whole group (4 persons):

900 * 4 = <u>£ 3600</u>

5 0
3 years ago
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