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3 years ago

PLEASE HURRY!

Mathematics

2 answers:

Paraphin [41]3 years ago

5 0

Answer:

33-11

48-26

Alice’s age (a) = Martha’s age (m) + 22

Step-by-step explanation:

In order to find the blank spots you would need to find the difference in the filled spots. We are trying to figure out the difference which is subtraction.

28 - 6 = 22

To make sure we are correct we would do another problem.

37 - 15 = 22

So in order to find Martha's age when Alice was 33, we would subract 22.

33 - 22 = 11

Same when Alice was 48.

48 - 22 = 26

And the last equation is asking the difference between them, which would be 22.

Gnoma [55]3 years ago

3 0

Answer:

Step-by-step explanation:

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A standard deck of playing cards has 13 cards in each of four suits: hearts, clubs, diamonds, and spades. Two cards are chosen f

Georgia [21]

Answer:

Option B.

Step-by-step explanation:

There are 13 cards of club and 13 cards of spade in a standard deck of playing cards.

Total cards in a deck of playing cards = 52

The probability of choosing first card is club P₁ = $\frac{13}{52}$

The probability of choosing second card is spade = P₂ = $\frac{13}{51}$

Probability = P₁ × P₂

$=\frac{13}{52}\times\frac{13}{51}$

$=\frac{169}{2652}$

$=\frac{13}{204}$

The probability of choosing one club and one spade is $\frac{13}{204}$ .

4 0

3 years ago

explain how you can use a box-and-whisker plot to find the range of a data set. a. the range is the difference of the values of

Advocard [28]

C. The range is the difference of the value of the whiskers.
Remember: the range is the highest value subtract the lowest value.

4 0

3 years ago

Find the area. 5cm 3cm 4 cm

Ostrovityanka [42]

Answer:

6 cm²

Step-by-step explanation:

Since 3 side lengths are given, I assume that this figure is a triangle. The area of a triangle can be determined by using hero's formula.

$\text{Area of triangle} = \sqrt{\text{s(s - a)(s - b)(s - c)}$

⇒ s = Perimeter/2

⇒ a, b, and c = side lenths of triangle

Replacing a, b, and c as the given side lengths:

$\implies \text{Area of triangle} = \sqrt{\text{s(s - 5)(s - 3)(s - 4)}$

Determining the perimeter of the triangle:

$\text{Perimeter of triangle = Sum of it's side lengths}$

$\implies \text{Perimeter of triangle =}\ 5 + 4 + 3$

$\implies \text{Perimeter of triangle =}\ 12 \ \text{cm}$

Determining the half of perimeter:

$\text{Half of perimeter} = s = \dfrac{\text{Perimeter}}{2}$

$\implies s = \dfrac{12}{2}$

$\implies s = 6$

Replacing the value of "s" in the formula:

$\implies \text{Area of triangle} = \sqrt{\text{6(6 - 5)(6 - 3)(6 - 4)}$

Evaluating the area:

$\implies \text{Area of triangle} = \sqrt{\text{6(6 - 5)(6 - 3)(6 - 4)}$

$\implies \text{Area of triangle} = \sqrt{\text{6(1)(3)(2)}$

$\implies \text{Area of triangle} = \sqrt{\text{6(6)}$

$\implies \text{Area of triangle} = 6 \ \text{cm}^{2}$

6 0

2 years ago

Simplify: 2(8 - 2x4).

pentagon [3]

Answer:

2(8-8x)

Step-by-step explanation:

Distrubutive Property:

↓

A(B+C)=AB+AC

Multiply by the numbers from left to right.

4*2=8

Therefore the correct answer is 2(8-8x).

7 0

3 years ago

Read 2 more answers

The diameter of a circular plate is 12 inches. What is the area of the plate? Round your answer to the nearest tenth of a square

Kay [80]

Answer:

Plate Area = PI * radius^2

Plate Area = 3.14159 * 6 * 6

Plate Area = 113.09724 square inches

Plate Area = 113.1 square inches (rounded)

Step-by-step explanation:

7 0

3 years ago