2 years ago

WHO KNOWS THIS PLEASE HELP

Mathematics

1 answer:

Scorpion4ik [409]2 years ago

4 0

The answer for this is the rules is x n y

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Solve for x, given the equation Square root of x-5+7=11

denis-greek [22]

$\sqrt{x-5+7} = 11\\x-5+7 = 11^2\\x-5+7 = 121\\x + 2 = 121\\x = 119$

Check the answer:

$\sqrt{119-5+7} \\\sqrt{114+7} \\\sqrt{121} \\11$

This answer is correct,

x = 119

6 0

2 years ago

Super easy plz answer all for 20 points just adding

sergejj [24]

7/8+9/10=71/40=1 31/40
1/4+2/3=11/12
1/2+1/4 is different from 1/2+1/3 because
1/2+1/4= 2/4+1/4= 5/1 =1 1/4
1/2+1/3=3/6+2/6=5/6

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2 years ago

Write the fraction<br> in simplest form.<br> 42/49

lozanna [386]

Answer:

6/7 is the ans

42 & 49 is divided by 7

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2 years ago

On a scale drawing of a steel I- beam, the height of a beam is 2 1/2

11Alexandr11 [23.1K]

Answer:On a scale drawing of a steel I-beam , the height of the beam is 2 1/2 in. The scale is 1/4 in = 6 feet. What is the actual height of the I-beam. $12$

Step-by-step explanation:

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2 years ago

Describe and correct any error a student may have made when solving the equation

Lady_Fox [76]

Answer:

The student made an error during the distributive property in the second step where they multiplied 0.15 by -0.2 to equal -0.3 when it should have been -0.03.

Step-by-step explanation:

$0.15(y-0.2)=2-0.5(1-y)\\0.15y-0.03=2-0.5+0.5y\\0.15y-0.03=1.5+0.5y\\100(0.15y-0.03)=100(1.5+0.5y)\\15y-3=150+50y\\15y-3-15y-150=150+50y-15y-150\\-153=35y\\-\frac{153}{35}=y$

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2 years ago