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2 years ago

Help plz I’m so confused

Mathematics

2 answers:

irinina [24]2 years ago

8 0

Answer and Step-by-step explanation:

Simply multiply the numerator by the numerator, and the denominator by the denominator.

$-\frac{2}{7}$ × $-\frac{3}{7}$ = $\frac{6}{49}$

#teamtrees #PAW (Plant And Water)

romanna [79]2 years ago

6 0

Answer is 6/7
u never multiply the bottoms only the top so it will give u 6 since theyre both negatives
-
answer = 6/7

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Se cocina una pizza de 20 cm de radio, en su interior se coloca al azar 12 piezas de salami

Furkat [3]

Answer:

The area of cheese is 388π cm.

Step-by-step explanation:

Given that,

Radius of pizza = 20 cm

Number of pieces = 12

Radius of circle = 1 cm

We need to calculate the area of pizza

Using formula of area

$A=\pi\times r^2$

Put the value into the formula

$A=\pi\times20^2$

$A=400\pi\ cm^2$

We need to calculate the area of circle

Using formula of area

$A'=\pi\times r^2$

Put the value into the formula

$A'=\pi\times1^2$

$A'=\pi\ cm^2$

Now, we multiply the result by 12 because they are 12 salamis.

So. the area of salamis will be

$A'=12\pi\ cm^2$

We need to calculate the area of cheese

The total area of the pizza and subtract the area of the salamis

$A''=A-A'$

Put the value in to the formula

$A''=400\pi-12\pi$

$A=388\pi\ cm^2$

Hence, The area of cheese is 388π cm.

6 0

3 years ago

Ive been doing this for 20 minutes now please help!!! I will give you brainliest if you give an actual answer!! SHOW YOUR WORK S

yanalaym [24]

Answer:

v= 3

Step-by-step explanation:

-19 + v = -8 ( v - 1 )

multiply -8(v - 1)= -8v + 8

-8v + 8v and then add the v with the +8v

Subtract -19 +19 and add the +19 with the +8= 27

27 divided by 9= 3

6 0

2 years ago

Read 2 more answers

The diameter of the base of the cone measure 17units the height measures 15units what is the unfilled volume inside the cylinder

777dan777 [17]

Answer:

V = 1134.9

Step-by-step explanation:

Since $V=\pi r^{2}\frac{h}{3}$

Firstly we need to divide 17 by 2 to get the radius which is 8.5

Then we need to solve by putting the values in...

$=\pi$ x $8.5^{2}$ x $\frac{15}{3}$

= 1134.9

4 0

3 years ago

Irrational or rational? 6.5

vfiekz [6]

Answer:

Rational

Step-by-step explanation:

6 0

2 years ago

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I need to find the simplest form of 88 ---- 90

hram777 [196]

Given

$\frac{88}{90}$

So,

$\frac{88}{90}=\frac{2\cdot44}{2\cdot45}=\frac{44}{45}$

So, the simplest form of 88/90 is 44/45

7 0

7 months ago