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kondaur [170]
3 years ago
7

Please help please please

Mathematics
2 answers:
lianna [129]3 years ago
8 0

The answer is going to be 40 or A.

Simora [160]3 years ago
8 0

the answer is 40 that is A.

A =base× height ÷ 2

A = 16 × 5 ÷ 2

A = 80 ÷ 2

A = 40

hope it is helpful.

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Please help me with this. Evalua cada expresion si a = -4, b = -7 y c = 5
nydimaria [60]
Ab= 28

(bc)^3= -42875

-3c^2= 225

I hope it's right..
6 0
3 years ago
emliy is thinking of a number which she calls n she find 1/4 of the number and then subtracts 3. write an expressions that repre
olganol [36]

Answer:

1/4 n - 3.

Hope this helps, sorry if it doesn't.

3 0
3 years ago
fran found this expression in her cookbook. 1/3 divided by 2.write a scenario that explains the expression and solve
mars1129 [50]
This may help:

There are \frac{1}{3} gallons of lemonade.
 
Two friends share the lemonade.

What fraction of the lemonade does each friend receive?

To solve you do kcf or keep change flip.

You keep \frac{1}{3} and change division to multiplication.

Then \frac{2}{1} is changed to \frac{1}{2}

<span>The answer would be </span>\frac{1}{6}

Hope That Helps!
4 0
3 years ago
If 56% of the 125 fifth-grade students have a skateboard, how many of the students have a skateboard?
olasank [31]

Answer:

70

Step-by-step explanation:

7 0
3 years ago
A sphere is just enclosed inside a right circular cylinder. If the volume of the sphere is 140 cm3, find the volume of the gap b
alexgriva [62]
-----------------------------------------------------------
Find Radius :
-----------------------------------------------------------
\text {Volume of a sphere =}   \dfrac{4}{3}  \pi r^3

\dfrac{4}{3}  \pi r^3 = 140

\pi r^3 = 140 \times  \dfrac{3}{4}

\pi r^3 = 105

r^3 =  \dfrac{105}{ \pi}

r = 3.22 \ cm

-----------------------------------------------------------
Find volume of the cylinder :
-----------------------------------------------------------
\text {Volume of the cylinder = } \pi r^2h

\text {Volume of the cylinder = } \pi ((3.22)^2(3.22 \times 2)

\text {Volume of the cylinder = } 209.77 \ cm^3

-----------------------------------------------------------
Find volume of the gap :
-----------------------------------------------------------
\text {Volume of gap = } 209.77 - 140

\text {Volume of gap = } 69.77 \ cm^3

-----------------------------------------------------------
\bf \text {Answer : } 69.77 \cm^3
-----------------------------------------------------------

6 0
3 years ago
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