MATHEMATICS MIDDLE SCHOOL

If a = 4 ft, c = 13 ft, and m∠B = 17°, what is the approximate area of ABC?

Answers

Answer 1
Answer:

Answer:

7.6 ft² ( to 1 dec. place )

Step-by-step explanation:

given 2 sides of a triangle and the angle between them, the area (A) is calculated using the formula

A = (1)/(2)ac sin B

   = 0.5 × 4 × 13 × sin 17° ≈ 7.6

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You bought books from an online book store that charges a flat fee for shipping each order. There was no sales tax on this purchase. The graph shows the cost of purchasing x books. About how much did the books cost if the total purchase was $31.50?A graph is shown in the xy-plane. The values on the x-axis ranges from 0 to 4 in increments of 1 and the values on the y-axis ranges from 0 to 30 in increments of 5. A line starts from a point around 3 decimal point 7 5 on the y-axis, goes up and passes through the point (2, 17 decimal point 5).

A.

$3.50
B.

$7.00
C.

$28.00

Answers

Answer:

$28.00

Step-by-step explanation:

The y-intercept of the graph corresponds to the flat fee for shipping.  In this case, $3.50.

You paid a total of $31.50 for both the books and the shipping.  The cost of the books is therefore $31.50 − $3.50 = $28.00.

On Monday helens math teacher gave the class 45 problems to finish by Friday.helen will do the same number of problems each day. How many problems will she do on Friday

Answers

The answer is 9.


Explanation : She will do the same amount every day, so 45 divided into 5 days is 9.
so you have to divide 45 ÷5=n so you need to refer the number so if you know the 5 times table you get the answer and the answer is 9

Each beehives on Larson’s honey farm usually produces 85lbs of honey per year. About how many pounds of honey will 10,000 hives produce in a year?

Answers

If one of Larson's beehives produces 85lbs of honey per year, you need to multiply this with the given number of hives which is 10,000.


85*10,000=850,000


10,000 hives will produce 850,000 pounds of honey each year.

Explain how your knowledge of place value helps you divide a number in the thousands by whole numbers to 10. Give an example to support your explanation. Please help, I will appreciate it!!!!!!!!!!!!!!!!!!!!!!!!!!

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Please, I have been waiting for 7 hours, the website brainly is wrong it says " just now".

Answers

Place value is the value each digit has in its position: in order from higher to lower value, there is thousands, hundreds, tens, and ones.
When you divide by 10, you are moving (only once) every digit from its present place value to the right.
For example 6430 : 10= 643, you have moved every digit to the right, making the zero disappear (or better yet, separated by a hidden and in this case useless comma).

Are 32/36 and 24/28 proportional

Answers

No, because when you set them up side by side, and cross multiply they dont equal the same amount on each side

Two fractions have a common denominators of 8. What could the two fractions be?

Answers

4 and 8 would be the anwser because 4 x 2 = 8 and then 8x1=8
The denominator is the bottom number so the answer can be any of 1/8 3/8 5/8 7/8

I made the numerator an odd number because an even number would reduce.
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