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kow [346]
3 years ago
8

Need help with math quarterly please

Mathematics
2 answers:
Readme [11.4K]3 years ago
7 0

Answer:

c=40

Step-by-step explanation:

a + c=65 equation 1

7a+4c=335 equation 2

c=65-a isolate c from equation 1

7a+4(65-a)=335

7a+260-4a=335

3a=75

a=25

solve for c

a+c=65

25+c=65

c=40

check answer:

7a+4c=335

7(25)+4(40)=335

175+160=335

335=335

lesya [120]3 years ago
4 0
Put a more clearer picture can’t see men
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2. Find the missing angle x.<br> 155°<br> 60°<br> X
Kryger [21]

Answer:

exterior angle property use ...

the exterior angle of an angle is equal to sum of rest 2 interior angles in a triangle

155 = 60 + x

x = 155 - 60 = 95

8 0
3 years ago
What five digit number am i thinking of? It has two prime digits. Digit three is the highest digit. Digit to is the lowest digit
Alexxx [7]

Answer:

47836

Step-by-step explanation:

1. Digit Three is the highest digit which is 8.

2. Digit two is the lowest digit which is 3.

3. Digit five  is half of digit three and digit five is 4.

4. Digit one is smaller than digit 3 which is 6 and 8.

5. And we need a prime number for digit 4 which is 7.

Hope this helps.

6 0
3 years ago
n a drawing, a jar holds the numbers 1 to 8. If you draw three numbers to form a three-digit number (without replacement), what
Butoxors [25]

good evening ,

Answer:

p = (1÷8)×(1÷7)×(1÷6)

Step-by-step explanation

the probability you will draw 135 is:

(1÷8)×(1÷7)×(1÷6) = 0,002976190476

:)

3 0
2 years ago
Read 2 more answers
A die is rolled once what is the probability of rolling not a 4
snow_lady [41]

Answer:

I think 1/6

Step-by-step explanation:

A die has 6 sides so every side has 1/6 chance to land on

8 0
3 years ago
All vertical and horizontal cross sections of any one cube are all the same size and shape. What about vertical and horizontal c
svetlana [45]
Horizontal cross sections are the same shape: they are all squares if the pyramid is square or rectangles if the pyramid is a rectangle pyramid.
Vertical cross sections are different shape: At the pyramid top they are triangles, at other places they have four sides.

Horizontal cross sections are different size: the more we go to the top of the pyramind, the smaller they get.
Vertical cross sections are different size: the closer we get to the edges, the smaller they become.
8 0
2 years ago
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