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Paul [167]
3 years ago
8

Evaluate the expression for the given value(s) of the variables s=7 k=4 x=6 8 - k+ x

Mathematics
1 answer:
kow [346]3 years ago
8 0

Answer: 9

Step-by-step explanation:

s = 7

k = 4

x = 6

7 - 4 + 6

3 + 6

9

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Select the correct answer. Given the equations `9x + (3)/(4)y = 6` and `2x + (1)/(2)y = 9`, by what factor would you multiply th
Minchanka [31]

-3/2 is the  factor would multiply the second equation to eliminate y.

The correct option is (C).

<h3>What is factor?</h3>

A number or algebraic expression that divides another number or expression evenly—i.e., with no remainder.

Given equation is :

9x+3/4 y =6

2x+1/2 y =9

If we have to eliminate the y variable so we have to multiply it by factor -3/2

Then the second equation become

-3/2(2x+1/2 y =9)

-3x- 3/4 y =- 27/2

As we can see the y variable of both the equation is same.

Hence, -3/2 is the  factor would multiply the second equation to eliminate y.

learn more about this concept here:

brainly.com/question/24182713

#SPJ1

4 0
2 years ago
Here are the ingredients for raspberry ripple ice cream.
oee [108]
10 pounds of sugar for 5 litres of cream.
3 0
3 years ago
4x^2-7x=15<br> Solve by factoring and please please please explain or show the work
vodomira [7]

Answer:

x=3 and x=-1.25

Step-by-step explanation:

4x^2-7x=15

subtract 15 from each side:

4x^2-7x-15=0

factor  (trying different numbers that the sum is 7 and the quotient is 15)

(2x-6 )(2x+2.5 )=0

2x-6=0 add 6 to each side

2x=6

x=3

2x+2.5=0   subtract 2.5 from each side

2x=-2.5

x=-1.25

8 0
3 years ago
5. Which of the following sets of fractions is arranged in order from LEAST to GREATEST?
SCORPION-xisa [38]

Answer:

\{\frac{1}{8},\frac{1}{4},\frac{1}{2}\}

Step-by-step explanation:

Required

Which is ordered in ascending order

To do this, it is best to convert the fractions to decimal and then make comparison.

From the options, only (b) is ordered in ascending order and the proof is as follows.

\{\frac{1}{8},\frac{1}{4},\frac{1}{2}\}

Convert to decimals

\{0.125, 0.25, 0.5\}

By comparison:

0.125< 0.25< 0.5

Hence, (b) is ordered from least to greatest

3 0
3 years ago
Factor completely 36x2 − 25. (6x − 5)(x 5) (6x 5)(6x 5) (6x − 5)(6x − 5) (6x 5)(6x − 5).
Assoli18 [71]

The complete factor of the polynomial 36x² - 25 is (6x + 5)(6x − 5). Then the correct option is D.

<h3>What is polynomial?</h3>

Polynomial is an algebraic expression that consists of variables and coefficients. Variable are called unknown. We can apply arithmetic operations such as addition, subtraction, etc. But not divisible by variable.

Factor completely 36x² - 25.

We know that

\rm   a^2 - b^2 = (a+b)(a-b)

(6x)² − 5²

(6x + 5)(6x − 5)

The complete factor of the polynomial 36x² - 25 is (6x + 5)(6x − 5). Then the correct option is D.

More about the polynomial link is given below.

brainly.com/question/17822016

6 0
2 years ago
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