MATHEMATICS MIDDLE SCHOOL

Find the values of x and y. answers: 1) x = 12.0; y = 19.6 2) x = 23.0; y = 12.0 3) x = 19.6; y = 12.0 4) x = 12.0; y = 23.0

Answers

Answer 1

Answer:

Answer:

1) x = 12.0; y = 19.6

Step-by-step explanation:

Answer choices:

1) x = 12.0; y = 19.6

2) x = 23.0; y = 12.0

3) x = 19.6; y = 12.0

4) x = 12.0; y = 23.0

OB and OA are radii. All radii in the same circle (or congruent circles) are congreunt. One radius is 12.

Therefore, all other radii are 12.

OB is a radius- therefore OB (x) = 12

x = 12

The answer choices with x as 12 are 1 and 4.

1) x = 12.0; y = 19.6

4) x = 12.0; y = 23.0

AC and BC look to be tangents- tangents to a circle from a point are congruent.

Therefore, AC is congruent to BC.

BC (y) = 19.6

y= 19.6

Answer choice: 1) x = 12.0; y = 19.6

Answer 2

Answer:

Answer:

x = 12.0; y = 19.6

Step-by-step explanation:I took the test

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Jorge is making 6 large salads and 4 small salads. Each large salad needs 10 cherry tomatoes and each small salad needs 6 cherry tomatoes. How many cherry tomatoes does Jorge need?

Answers

60 for the large
24 for the small

Solutions

We know that Jorge is making 6 large salads and 4 small salads. Each large salad needs 10 cherry tomatoes and each small salad needs 6 cherry tomatoes.

6 large salads need 10 cherry tomatoes.
4 small salads need 6 cherry tomatoes.

To solve the problem you have to multiply.

6 x 10 = 60
4 x 6 = 24

For 6 large salads he need 60 cherry tomatoes.
For 4 small salads he need 24 cherry tomatoes.

Diya and Leo both write the decimal 2.15 repeating as a fraction. Diya's fraction: 97/45 Leo's fraction: 97/5 Who wrote the correct fraction?

Answers

We can solve this without counting too much, like this:

When we look st Diya's fraction: it's about 2 : you can see that the top number is about twice as big as the lower one (compare 90 and 40 for this, 90 is a little more than twice 40)

When we look at Leo's fraction: 97 is a lot more than twice 5!!! To simplify compare 90 and 5: it is definitely at least 10 times bigger (actually 18).

So even if we just "look at" the fractions; Leo's fraction seems too big to be 2.(15).

In fact, his fraction is equal to 19.4

Diya was right!

(and 97/45 is exactly 2.(15).

Find the geometric mean of 4 and 12.

Answers

Answer:

The Geometric Mean of 4 and 12 is 6.9

Step-by-step explanation:

The value of a stock on Monday morning was $16.92. It went up $1.19 on Monday and $0.45 on Tuesday. The value dropped by $1.92 on Wednesday and feel another $0.82 on Thursday. What was the stocks value on Friday morning?

Answers

Answer:

I am not in expert but it’s 10.65

Step-by-step explanation:

Find the reciprocal of 11/3

Answers

The reciprocal of any number is just '1' divided by the number. The reciprocal of a fraction is just flip-it-over. The reciprocal of 11/3 is 3/11 .

The reciprocal of $(11)/(3)$ is $(3)/(11)$

Evaluate 3/5 - 3/10 and explanation thanks

Answers

It would be 3/10 because you have to create a common denominator. That would be 10. 3x2=6 and 5x2=10, so 3/5 would become 6/10, which is equivalent. If you kept the denominators the same and subtracted the numerators, you would get 3/10.

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