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tia_tia [17]
3 years ago
15

GIVING BRAINLIEST TO WHO ANSWERS THIS EASY MATH QUESTION FIRST...

Mathematics
1 answer:
musickatia [10]3 years ago
7 0

Answer:

height = 5 in

Step-by-step explanation:

Area =h x (b1+ b2)/2

50 = h x (12 + 8)/2

50 = h x 10

h = 5

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There are 8 times as many females as males on the maths course at university. What fraction of the course are female?
Tcecarenko [31]

Answer:

Step-by-step explanation:

Let the males = x

Let the females = 8x

Let the total in the class = x + 8x = 9x

Females = 8x / 9x = 8/9

If you want the decimal, it is .889

4 0
3 years ago
PLEASEEEE HELP ASAP , due today
Levart [38]

Answer:

circumference=>2πr

circumference= 119.32 cm

π = 3.14

r =?

119.32 = 2 × 3.14 × r

r = 119.32/6.28

r = 19 cm

so area = πr²

area = 3.14 × (19)²

area = 3.14 × 361

area = 1,133.54 cm²

3 0
3 years ago
Hayley is buying herbs. She wants to buy   ounce of basil. The scale she is using to weigh the basil displays the weight as
victus00 [196]

Complete question :

Hayley is buying herbs. She wants to buy 5/6  ounce of basil. The scale she is using to weigh the basil displays the weight as a decimal. How will she know when the display on the scale is correct to the tenths place? Explain your reasoning.

Answer:

0.8

Step-by-step explanation:

To obtain the fractional expression of weight in decimal form:

5/ 6 ounce of bassil is converted into decimal :

5 / 6 = 0.8333

Hence, for a fraction of 5 /6, we obtain;

5/6 = 0.8333

To the nearest tenth :

0.8

7 0
3 years ago
3x=5x-9 pls help ?!!?!?!?!?!?!?!?!??!!?1/
lbvjy [14]

Answer: x = 4.5

Step-by-step explanation:

1) Reorder the terms:

3x = -9 + 5x

2) Solving

3x = -9 + 5x

3) Solving for variable 'x'.

4) Move all terms containing x to the left, all other terms to the right.

5) Add '-5x' to each side of the equation.

3x + -5x = -9 + 5x + -5x

6) Combine like terms: 3x + -5x = -2x

-2x = -9 + 5x + -5x

7) Combine like terms: 5x + -5x = 0

-2x = -9 + 0

-2x = -9

8) Divide each side by '-2'.

x = 4.5

9) Simplifying

x = 4.5

6 0
3 years ago
Read 2 more answers
Why does the fact family for 81 and 9 have only two number sentences
qwelly [4]
Because there are only two things you can do with these two " family" members. 81 divided by 9 is 9. 9 times 9 is 81. Strictly speaking, there should be three in the family: 9,9 and 81 9 is the square root of 81. 81 is the 9 squared.
8 0
3 years ago
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