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Veseljchak [2.6K]
3 years ago
13

Y=2x x=-y+6 What does it equal to

Mathematics
1 answer:
erik [133]3 years ago
4 0

Answer:

y=4

x=2

Step-by-step explanation:


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Use the figure to find the measures of the numbered angles. ∠5 = ∠6 =
Gwar [14]

Answer:

∠ 5 = 49°, ∠ 6 = 131°

Step-by-step explanation:

∠ 5 and 49° are corresponding angles and are congruent, then

∠ 5 = 49°

∠ 5 and ∠ 6 are adjacent angles and are supplementary, sum to 180° , that is

∠ 6 + ∠ 5 = 180°

∠ 6 + 49° = 180° ( subtract 49° from both sides )

∠ 6 = 131°

5 0
3 years ago
Find the volume of a sphere with surface area equal to 100π ft^2
Anni [7]

Answer:

V=\frac{500}{3}\ \pi(ft^{3})

Step-by-step explanation:

Hello.

to find the volume of a sphere we must know its radius,

we don't know the radius but we have the area

A=4\pi r^{2} \\ \\isolating\ r\\\\A=4\pi r^{2}\\r=\sqrt{\frac{A}{4\pi } } \\r=\sqrt{\frac{100\ ft^{2} }{4\pi}} \\\\ r= \sqrt{25\ ft^{2} }\\ r=5\ ft\\

Now, replacing this value in the volume equation

V=\frac{4\pi r^{3} }{3} \\V=\frac{4\pi\ (5\ ft)^{3} }{3}\\ V=\frac{4\pi\ (125 ft^{3}) }{3}\\V=\frac{500}{3}\ \pi (ft^{3})\\\\\\

have a great day

8 0
3 years ago
Read 2 more answers
Simplify the expression.<br>36 + 32 + (6 - 3)<br>Show your work.​
dybincka [34]

Answer:

71

Step-by-step explanation:

Remember to always follow PEMDAS as well as the left -> right rule. While you do not need PEMDAS for this expression specifically, it is always good to know it. PEMDAS is the order of operations:

PEMDAS =

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

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

First, solve the parenthesis:

(6 - 3) = 3

Next, simplify, by adding:

36 + 32 + 3 =

68 + 3 = 71

71 is your answer.

~

3 0
3 years ago
Read 2 more answers
4 years ago a pint of milk
fenix001 [56]

Given-

Cost of milk 4 years ago = £1.05

To find-

Percentage increase in cost

Solution-

Increase in cost = £ ( 1.26 - 1.05 )

→ £ 0.21

Percentage increase :-

\frac{0.21}{1.05} \times 100

→ 20

Therefore, Percentage increase of the cost of milk over 4 years is <u>2</u><u>0</u><u>%</u> .

✍️ <em>By </em><em>Benjemin</em> ☺️

5 0
3 years ago
How many times as great is 2x10^-8 is6x10^-3?
Grace [21]

Answer:

300,000.

Step-by-step explanation:

6x10^-3 /  2x10^-8

= 3 x (10^(-3- (-8))

= 3 x 10^5

= 300,000

4 0
3 years ago
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