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yulyashka [42]
2 years ago
12

Martha estimated there were 83 marbles in a jar for a contest. The actual number of marbles in the jar was 105. What was the per

cent error of Martha's estimation?
Mathematics
1 answer:
Luba_88 [7]2 years ago
4 0

Answer:

26.5%

Step-by-step explanation:

i did the math, that answer should be correct, but the question is stated  strange.

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The Drawing of a building, shown below, has a scale of 1 inch to 30 feet. What is the Actual height, in feet, of a building?
tatyana61 [14]
Well what were given:
1 inch = 30 feet

The drawing of the building of this problem has the height of 1.25 inches and base of 0.75 inches.

Actual height: 
1.25 inches * 30 feet/inch = 37.50 feet

Actual base:
0.75 inches * 30 feet/inch = 22.50 feet


So in this problem the answer would be "A" 22.50 Aka 22.5 For the building. Hope this helps you! (:
7 0
3 years ago
Find the real numbers x and y that make the equation true (x+6i)=(3-i)+(4-2yi)​
Ronch [10]

Answer:

x = 7

y = -7/2

Step-by-step explanation:

(x+6i)=(3-i)+(4-2yi)​

First look at the real parts

x = 3 +4

x = 7

Then look at the imaginary part

6i= -i -2yi

6 = -1-2y

Add 1 to each side

6+1 = -2y

7 = -2y

Divide by -2

7/-2 = y

5 0
3 years ago
Let F(x)=3x-1,h(x)=-x+5<br> find (f•h)(-2)
vovangra [49]

Answer:

8

Dont mind me if i am wrong!

4 0
3 years ago
How many times can 4 go into 75
Arisa [49]

Answer:

solve using long division.

75/4

what is the largest whole number smaller than 75 that 4 can go into?

72.

how many times can 4 go into 72?

18.

so then subtract 72 from 75 to get 3.

the new equation is

3/4

how many times can 3 go into 4?

0.75 times.

so add the 2 answers to get

18.75

4 can go into 75 18.75 times.

8 0
3 years ago
Read 2 more answers
The prophecy states that if you go to the link in the picture this comment will make sense
likoan [24]

Answer:

no way

Step-by-step explanation:

4 0
3 years ago
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