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MrRissso [65]
4 years ago
10

Solve for x help me solve this

Mathematics
2 answers:
san4es73 [151]4 years ago
8 0

Answer:

X= 15

Step-by-step explanation:

you have to move the terms so the expression would be 4x -3x=5+10. Then you combine like terms which would make it 1x = 15. The 1 is invisible so there is your answer.

stepladder [879]4 years ago
4 0

Answer:

<em>x=15</em>

Hope this helps :3

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Lee bought a couch for $600. He made equal payments of 10% of the total cost. How much was each payment?
eduard

Answer:

$60

Step-by-step explanation:

Each payment was 10% of $600.

You need to find what 10% of $600 is.

To find a percent of a number, multiply the percent by the number. Change the percent to a decimal by moving the decimal point of the percent two places to the left.

10% of $600 =

= 10% * $600

= 0.10 * $600

= $60

3 0
3 years ago
Read 2 more answers
An advertisement is on a flyer that has a thickness of 8.2 x 10^-5 meters. Each measurement below is the thickness of a stack of
vladimir1956 [14]

Answer:

For 1,000 flyers 8.2\times 10^{-2}

For 1.8\times 10^{2} flyers 1.476\times 10^{-2}

For 75 flyers 6.15\times 10^{-3}

The other values:

6.15\times10^{-2}\ m\\1.8\times 10^{2}\ m\\8.2\times 10^{-8}\ m

Step-by-step explanation:

Consider the provided information.

One flyer has a thickness of 8.2\times 10^{-5} m

For 1,000 flyers the thickness will be:

8.2\times 10^{-5}\times 1000=8.2\times 10^{-2} meters.

For 1.8\times 10^{2} flyers the thickness will be:

8.2\times 10^{-5}\times 1.8\times 10^{2}=14.76\times 10^{-3}=1.476\times 10^{-2} meters.

For 75 flyers the thickness will be:

8.2\times 10^{-5}\times 75=615\times 10^{-5}=6.15\times 10^{-3} meters.

The other values are:

6.15\times10^{-2}\ m\\1.8\times 10^{2}\ m\\8.2\times 10^{-8}\ m

6 0
3 years ago
3 cos 2x + Sinx = 1 for<br>0° ≤x ≤ 360​
Archy [21]

Answer:

x = 41.81°, 138.19°, 210°, 330°

Explanation:

3cos(2x) + sin(x) = 1

subtract one from both sides

→ 3cos(2x) + sin(x) − 1 = 0

rewrite using trigonometry identities

→ 2 + sin(x) − 6sin²(x) = 0

solve x by substitution

f(x) = 2 + sin(x) − 6sin²(x)

= 2 + 4sin(x) - 3sin(x) − 6sin²(x)

= −2sinx(3sinx −2) − (3sinx−2)

= (3sinx −2)(−2sinx−1)

= −(3sinx −2)(2sinx+1)

f(x) = 2 + sin(x) − 6sin²(x) = 0

= −(3sinx −2)(2sinx+1) = 0

(3sinx −2) = 0 (2sinx+1) = 0

→sinx = 2/3 →sinx = −1/2

x = 41.81°, 138.19° x = 210°, 330°

(Please heart the answer if you find it helpful, it's a motivation for me to help more people)

3 0
3 years ago
I need help please! ​
Sophie [7]

Answer/Step-by-step explanation:

Area of trapezium = ½*(AD + BC)*AB

Area = 42 cm²

AD = (x + 8) cm

BC = (x + 5) cm

AB = x cm

Plug in the values into the equation

42 = ½((x + 8) + (x + 5))*x

42 = ½((x + 8 + x + 5)*x

42 = ½(2x + 13)*x

Multiply both sides by 2

42*2 = (2x + 13)*x

84 = 2x² + 13x

2x² + 13x = 84

Subtract both sides by 84

2x² + 13x - 84 = 0

4 0
3 years ago
I require assistance please. ​
Zolol [24]

The answer is b because all of the other numbers in the parentheses are less then one so there can’t be a growth if the number is less than one

3 0
3 years ago
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