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Stolb23 [73]
3 years ago
6

What does y equal in this algebraic equation? (grade 7) 24y+(42-6)=8

Mathematics
1 answer:
IgorC [24]3 years ago
6 0

Answer:

y equals -1.16 (repeating decimal)

Step-by-step explanation:

I got the answer by first solving what is in the parentheses. 42-6=36. After this, I subtracted 36 on both sides to get the variable (y) by itself. After I did this, I had 24y = -28. So, I divided both sides by 24 (24y). The y was left by itself and -28/24=1.16 (repeating decimal).

<em><u>Therefore, y=1.16,1.17 when rounded, or -7/6 as a fraction</u></em>

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What is the value of x ? Circle the correct 2.5x=35. <br> X=14 <br><br> X=16
scoundrel [369]

Answer:

All you have to do is divide both sides by 2.5 to find your answer.

2.5x / 2.5 = 35 / 2.5

x = 14

The answer is X = 14.

I hope this helps!

-Mikayla


8 0
4 years ago
scores for a qualification exam are nromally distibuted, with a mean of 80 and a standard deviation of 10. to be qualfiied for a
Nesterboy [21]

Lowest score earned to be qualified for an interview is 92.82

X : Marks scored in interview

X ~ N(80,100)

Here we need to find x such that P(X > x) = 0.10

using standard normal table,

we get P( z > 1.282) = 0.10

It's always easy to use Standard normal distribution to solve questions of normal distribution because standard normal is special case of normal distribution with mean 0 and standard deviation 1.

To convert x (which follows Normal distribution) to standard normal use: \frac{x-\mu}{\sigma} \sim N(0,1)

so, z = 1.282 = \frac{x-\mu}{\sigma}

<em>hence,</em>

<em> </em>x = 1.282 * \sigma + \mu \\x = 1.282 * 10+_80 \\x = 92.82 \\

Hence Lowest score earned to be qualified for an interview is 92.82

To learn more about Normal Distribution visit:

brainly.com/question/4079902

#SPJ4

5 0
2 years ago
What is the area to this shape and tell me why pls I need help asap tonight
LUCKY_DIMON [66]
I'm sorry I can't see it clearly.
6 0
3 years ago
Read 2 more answers
Can people please explain to me how to simplify exponents
ahrayia [7]

Answer:

When dividing two terms with the same base, subtract the exponent in the denominator from the exponent in the numerator: Power of a Power: To raise a power to a power, multiply the exponents. The rules of exponents provide accurate and efficient shortcuts for simplifying variables in exponential notation.

Step-by-step explanation:

6 0
3 years ago
B(n)=−1(2) ^n−1<br> What is the 5th term in the sequence?
Rashid [163]

Answer:

8

Step-by-step explanation:

                                  aₙ = 2ⁿ⁻¹

a₅ = 2⁴⁻¹ =2³=8

4 0
3 years ago
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