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2 years ago

13

Dreakfast cereal will cost. C TOw any learners can a school enrol if there are 12 teachere ratio of learners to teachers is 30:1

7 hers and the Re he cost of ffte

1 answer:

rodikova [14]2 years ago

7 0

Answer:

20 teachers

Step-by-step explanation:

plato ofc

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Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 3. (Input decimals only, such as 12.71, as the answer.)

Natasha2012 [34]

Answer:

87.92

Step-by-step explanation:

3.14(a² + ab) where a = 4 and b = 3

Plug the given numbers into the appropriate values. Remember to follow PEMDAS.

3.14((4)² + (4)(3))

3.14(16 + 12)

3.14(28)

87.92

5 0

2 years ago

YOU GUYS ARE MEAN! AND AREN’T HELPING ME AND IM WILLING TO GIVE 40POINTS! LOOK AT THE PICTURE ATTACHED!

fomenos

Answer:

$x = 5$

Step-by-step explanation:

${2}^{2x - 3} + 52 = 180$

${2}^{2x - 3 } = 128$

${2}^{2x - 3} = {2}^{7}$

$2x - 3 = 7$

$2x = 10$

$x = 5$

6 0

1 year ago

LCM for 2 and 13 plz help me out

Andrei [34K]

[ Answer ]

$\boxed{\bold{LCM \ = \ 26}}$

[ Explanation ]

Find LCM For 2 & 13

-------------------------------------

LCM - The smallest number that two or more numbers can evenly fit into

LCM - What We Know
2 & 13 Must Evenly Fit
Must Be Smallest Number They Both Fit Into
Multiple Of Two Or More Numbers

The Smallest Number That Both 2 & 13 Evenly Fit Into Is 26

26 ÷ 2 = 13

26 ÷ 13 = 2

$\boxed{\bold{[] \ Eclipsed \ []}}$

5 0

2 years ago

One pound of grapes costs $1.55. Which equation correctly shows a pair of equivalent ratios that can be used to find the cost of

stira [4]

Answer:

StartFraction 1.55 over 1 EndFraction = StartFraction x over 3.5 EndFraction

Step-by-step explanation:

$\frac{1.55}{1} = \frac{x}{3.5} \\ \\ \therefore \: x = 1.55 \times 3.5 \\ \\ \therefore \: x = \$ 5.425 \\ \\\therefore \: x\approx \$5.43$

4 0

2 years ago

Read 2 more answers

Solve for j: J/-2+7=-12

Anestetic [448]

Answer:

J=38

Step-by-step explanation:

Subtract 7 to both sides so J/-2=-19

Then multiply -2 to both sides to get -19 times -2

That equals to 38

6 0

2 years ago