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3 years ago

6

A math test is worth 100 points and has 30 problems. Each problem is worth either three points or four points. How many four Pro

blems are there?

1 answer:

kvv77 [185]3 years ago

7 0

If all were 3-point problems, the test would be worth 90. In order to add 10 points to the value, 10 4-point problems are needed.

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Anja is creating a triangle using three straws. The two shorter straws have lengths of 20 cm and 21 cm. How long, in centimeters

Digiron [165]

A^2 + b^2 = c^2...a and b are the legs and c is the hypotenuse
20^2 + 21^2 = c^2
400 + 441 = c^2
841 = c^2
sqrt 841 = c
29 = c <== third straw will be 29 cm

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3 years ago

which values when substituted for x in the expression √x, will result in an irrational number? Select all that apply.

svetlana [45]

Answer:
x = 21
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1 year ago

A baker purchased 10 lb of wheat flour and 13 lb of rye flour for a total cost of $17.40. A second purchase, at the same prices,

fiasKO [112]

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Hope this helps mate

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3 years ago

A plumber charged $12 for 15 minutes of work. At this rate what would the plumber charge for 1 hour of work?

hjlf

Answer: $48 for an hour of work

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<u></u> $\frac{60 minutes}{15 minutes} =4$ <u></u>

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3 years ago

Read 2 more answers

1. Each spring, Genevieve helps her mom plant flowers. There are 24 rows of

avanturin [10]

Answer:

Genevieve plants a total of 432 flowers.

Step-by-step explanation:

18 flowers go in every row so you have to multiply the number of rows (24) by the number of flowers in each row (18) to get the total of 432 flowers.

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3 years ago