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2 years ago

7

Which set of ordered pairs represents a function?

1 answer:

juin [17]2 years ago

6 0

I think that first one represents a function.

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If a heptagon has an area of 105 in2, what is the measure of one side ?

kumpel [21]

Answer:

5.38 inches

Step-by-step explanation:

The formula for Area of an Heptagon

= A=7/4a²cot(180°/7)

Area = 105in²

Side a = ?

The formula for Side a

= √4A ×tan (180°/7)/7

= √4 × 105 × tan (180°/7) /7

= 5.37536 inches

Approximately = 5.38 inches.

4 0

2 years ago

35,892 rounded to nearest 10

Goshia [24]

Answer:

35,890

...........

8 0

2 years ago

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20. An amount of money was shared among five boys Ali, Juma, Musa, Khalid and Mustafa. Ali got /8 of the total amount while Juma

Nadusha1986 [10]

Answer:

$x=\frac{18000}{7}=2571\frac{3}{7}$

Step-by-step explanation:

Let the total amount be x

Then Ali got 1/8x With 7/8x left

Juma got 7/40x with 7/10x left

Musa, Khalid and Mustafa got 7/30x each

since $\frac{7}{30}x=600$

7x=18000

$x=\frac{18000}{7}=2571\frac{3}{7}$

3 0

1 year ago

What does -2(-5x+9)-9x equal

Ann [662]

-2(-5x+9)-9x
-2(-5x)+-2(9)-9x
10x-18-9x
+9 +9
19x=-18
---- ----
19 19
x=-1.05

7 0

2 years ago

Sovle the inequality r - 7 ≤ 2

yawa3891 [41]

Answer:

r≤9

Step-by-step explanation:

8 0

2 years ago

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