3 years ago

When can u add and subtract fractions

1 answer:

8 0

Before you can add or subtract fractions with different denominators, you must first find equivalent fractions with the same denominator, like this: Find the smallest multiple (LCM) of both numbers. Rewrite the fractions as equivalent fractions with the LCM as the denominator.

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What is the volume of the solid? Let π=3.14<br> .

Tems11 [23]

here,

height= 22 cm

radius= 22/2 = 11 cm

we know,

volume of cone= 1/3× πr^2 ×h

= 1/3 ×3.14 × 11× 11 × 22

=2788.76 cm cube

3 0

3 years ago

Please help due soon :)

pickupchik [31]

I’m pretty sure the answer is b because the triangles are congruent

3 0

2 years ago

Suppose that a vaccine is 85% effective against the flu. You vaccinated 6 people. How many of the 6 vaccinated people do you exp

zloy xaker [14]

<h3>5 of the 6 vaccinated people will be protected from the virus</h3>

<em><u>Solution:</u></em>

Given that,

Suppose that a vaccine is 85% effective against the flu

You vaccinated 6 people

To find: Number of people you expect will be protected from the virus

From given,

85 % of 6 people are effective against the flu

Which means,

$\rightarrow 85 \% \text{ of } 6\\\\\rightarrow \frac{85}{100} \times 6\\\\\rightarrow 0.85 \times 6\\\\\rightarrow 5.1 \approx 5$

Thus, 5 of the 6 vaccinated people will be protected from the virus

6 0

3 years ago

If i have a 20 dollar bill and a candy is 4 how many can i buy

8090 [49]

Answer:

a candy is $4

you have a $20 bill

1 candy = 4

2 candies = 8

3 candies = 12

4 candies = 16

5 candies = 20

you can buy 5 candies for $20.

4 0

3 years ago

Read 2 more answers

2. (x3 – 6x2) (x – 7)

ira [324]

Answer:

I believe this is the answer you are looking for:

x3-6x2-7x

Step-by-step explanation:

5 0

3 years ago