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levacccp [35]
2 years ago
13

Evaluate the expression when y = 6 and x = 9 x+7y

Mathematics
2 answers:
Maksim231197 [3]2 years ago
5 0

Answer:

i think the answer is 51

Step-by-step explanation:

9+7(6)

9+42

51

Sindrei [870]2 years ago
4 0
Sub in the numbers
9 + 7(6)
= 9 + 42
= 51
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Step-by-step explanation:

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3 years ago
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Which of the statements below is true for the following set of numbers 20,5,50,95,75,60
alina1380 [7]

Answer:

they are all multiples of 5

Step-by-step explanation:

when you count by five you will meet each number =D

3 0
3 years ago
In an election, Mr. Jones received 70% of the 1,500 votes cast. How many votes did Mr. Jones receive?
Len [333]
Given situation: Mr. jones received 70% of the 1500 vote casts in an election Question and solution => How many votes did Mr Jones received: => 1 500 is the total number of voters and 70% of it voted Mr. Jones. SO let’s start solving to get the number of voters who voted him. => 70% = 70 / 100 = .70 => 1 500 * .70 => 1 050 , the number of voters who voted him in an election.
3 0
3 years ago
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Whates 2 divided by 3 z= -6
GalinKa [24]

z = 20/3 = 6.667

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

2/3-(z-6)=0

Step by step solution :

Step 1 :

2

Simplify —

3

Equation at the end of step 1 :

2

— - (z - 6) = 0

3

Step 2 :

Rewriting the whole as an Equivalent Fraction :

2.1 Subtracting a whole from a fraction

Rewrite the whole as a fraction using 3 as the denominator :

z - 6 (z - 6) • 3

z - 6 = ————— = ———————————

1 3

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

2 - ((z-6) • 3) 20 - 3z

——————————————— = ———————

3 3

Equation at the end of step 2 :

20 - 3z

——————— = 0

3

Step 3 :

When a fraction equals zero :

3.1 When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

20-3z

————— • 3 = 0 • 3

3

Now, on the left hand side, the 3 cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

20-3z = 0

3 0
3 years ago
A hungry college student just finished eating a large cheese and pepperoni pizza from​ Doug's Pizza Palace and felt there​ wasn'
Zepler [3.9K]

Answer: 83

Step-by-step explanation:

The confidence interval for population mean is given by :-

\overline{x}\pm E

Given : The student obtained the following​ 95% confidence interval​ (in grams) for the population​ mean, (862,1028).

Here,

Lower limit of the confidence interval : \overline{x}-E=862  (1)

Upper limit of the confidence interval : \overline{x}+E=1028   (2)

Subtracting (1) from (2) , we get

2E=166\\\\\Rightarrow\ E=\dfrac{166}{2}=83

Hence, the margin of​ error = 83

4 0
3 years ago
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