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jek_recluse [69]
3 years ago
10

Helpppppp someone please​

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
6 0

Answer:

x=22/5

Step-by-step explanation:

multiply by 3 on both sides

7+x=6x-15

x=6x-22

-5x=-22

*-1 on both sides

5x=22

x=22/5

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Find the value of X
aliina [53]

Step-by-step explanation:

According phythagorous theorem,

x²=(12)²+(5)²

x²=144+25

x= root of 169

x=13

8 0
3 years ago
Read 2 more answers
Multiplying StartFraction 3 Over StartRoot 17 EndRoot minus StartRoot 2 EndRoot EndFraction by which fraction will produce an eq
ziro4ka [17]

The fraction which produce an equivalent fraction with a rational denominator is \left(\frac{\sqrt{17}+\sqrt{2}}{\sqrt{17}+\sqrt{2}}\right)

Explanation:

The equation is \frac{3}{\sqrt{17}-\sqrt{2}}

To find the rational denominator, let us take conjugate of the denominator and multiply the conjugate with both numerator and denominator.

Rewriting the equation, we have,

\frac{3}{\sqrt{17}-\sqrt{2}}\left(\frac{\sqrt{17}+\sqrt{2}}{\sqrt{17}+\sqrt{2}}\right)

Multiplying, we get,

\frac{3(\sqrt{17}+\sqrt{2})}{(\sqrt{17})^{2}-(\sqrt{2})^{2}}

Simplifying the denominator, we get,

\frac{3(\sqrt{17}+\sqrt{2})}{17-2}

Subtracting, the values of denominator,

\frac{3(\sqrt{17}+\sqrt{2})}{15}

Dividing the numerator and denominator,

\frac{\sqrt{17}+\sqrt{2}}{5}

Hence, the denominator has become a rational denominator.

Thus, the fraction which produce an equivalent fraction with a rational denominator is \left(\frac{\sqrt{17}+\sqrt{2}}{\sqrt{17}+\sqrt{2}}\right)

6 0
3 years ago
Read 2 more answers
Hey can anyone help pls thank you !
arlik [135]

Answer:

x = 16

Step-by-step explanation:

The angle vertically opposite (4x - 17) is also (4x - 17) , then

4x - 17 and 8x + 5 are same- side interior angles and sum to 180° , that is

4x - 17 + 8x + 5 = 180

12x - 12 = 180 ( add 12 to both sides )

12x = 192 ( divide both sides by 12 )

x = 16

8 0
3 years ago
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Express 20% as a fraction in its lowest form? Thanks
lilavasa [31]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ 20% as as a fraction in lowest terms is \frac{1}{5}

Percents are out of 100% so write 20% out of 100% as a fraction:

\frac{20}{100}

Both the numerator and denominator can be divided by 20 so once divided, you get \frac{1}{5}

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

8 0
4 years ago
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Alexander is going to invest $1,900 and leave it in an
TiliK225 [7]

3,100= 1,900 +84x

right since 84 months in 7 years

so 14.3% right?

7 0
3 years ago
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