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konstantin123 [22]
4 years ago
15

130 is 65% of what number?

Mathematics
1 answer:
mina [271]4 years ago
4 0
X - the number

65\% x=130 \\
\frac{65}{100}x=130 \\
\frac{13}{20}x=130 \\
x=130 \times \frac{20}{13} \\
x=10 \times 20 \\
x=200

130 is 65% of 200.
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In the given figure find the value of x and y if AB parallel to CD
liberstina [14]

Answer:

x = 42

y = 38

Step-by-step explanation:

for y:

there is a corresponding angle at 58° so y + 20 must equal to 58. ∴y = 38°

for x :

first locate the straight angle at CD. The angle opposite 58° must also be 58° as it is vertically opposite. We have two values here.. 58° and 22°. Use your knowledge of straight angles and add 22 + 58, which equals to 80. Now subtract from 180 which = to 100°. We know that the angle sum of a Δ is 180° so add 38 and 100, which will give you 138°. Subtract from 180 to give you a total of 42°

Sorry if this was very lengthy haha

hope it helps:)

5 0
3 years ago
3.419875 what is the rest of pie
kotykmax [81]

ANSWER: 3.14159265358979323846264338327950288419716939937510

EXPLANATION: Pi is an infinite decimal number with no end, which means that after the decimal point, the digits go on forever.

4 0
2 years ago
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PLEASE! 10 POINTS! For what number A does the equation 3Ax - 24 = 5x - 9 + x have no solutions for x?
vovikov84 [41]

Answer:

A = 2

Step-by-step explanation:

When there are no solutions for x, both sides x cancel leaving an equation with two distinct numbers equal to each other (e.g. 6 = 0). Therefore, we must find a number A for which that happens.

Lets first simplify the equation, 3Ax - 24 = 5x - 9 + x = 6x - 9.

We want to cancel out the 6x on both sides. This happens when the left side also has 6x, so 3Ax = 6x -> A = 2.

Testing out this works, we get:

6x - 24 = 6x - 9 -> -24 = -9 (which isn’t true)

We get no solutions, which is what we are looking for! Therefore, A = 2 must be our answer!

I hope this helps! :)

6 0
3 years ago
The product of 4 and a number x is at least 21
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the\ product\ of\ 4\ an\ number\ x\to4\cdot x=4x\\\\4x \ \textless \  21\ \ \ \ |divide\ both\ sides\ by\ 4\\\\x \ \textless \  \dfrac{21}{4}\to x \ \textless \  \dfrac{20+1}{4}\to x \ \textless \  \dfrac{20}{4}+\dfrac{1}{4}\to x \ \textless \  5+\dfrac{1}{4}\\\\\huge\boxed{x \ \textless \ 5\frac{1}{4}\to x\in\left(-\infty;\ 5\frac{1}{4}\right)}

7 0
4 years ago
The art teacher asked her students to cut out 1045 apples and 1463 leaves from construction paper five apples can be cut from a
PilotLPTM [1.2K]

From each construction paper number of apples can be cut = 5.

From a sheet of paper number of leaves can be cut = 7.

Let us assume number of construction paper required = x.

Therefore, x construction paper would cut out = 5x apples.

But we need to cut total 1045 apples.

Therefore, we can setup first equation as :

5x = 1045.

Dividing both sides by 5, we get

5x/5 = 1045/5

x=209.

Let us assume number of sheet of paper required = y.

Therefore, y number of sheet of paper would cut out = 7y.

But we need to cut total 1463 leaves.

Therefore, we can setup second equation as:

7y = 1463.

Dividing both sides by 7, we get

7y/7 = 1463/7

y = 209.

Therefore,

<h3>We got two equations 5x = 1045 and 7y = 1463.</h3><h3>From those equations we can get 209 construction paper and 209 sheets of paper required to cut out 1045 apples and 1463 leaves.</h3>
3 0
3 years ago
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