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3 years ago

Simplify the following expression by combining like terms: 5a + 4b - 5c + 6a + 9b

Mathematics

1 answer:

docker41 [41]3 years ago

6 0

Answer: 11a+13b−5c

Step-by-step explanation:

you have to combine the ones with the same letters. hope that helped.

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What is 7.1 -5 -3.27 =

Natalka [10]

Hey luv so we have
7.1-5-3.27
=2.1-3.27
=-1.17

:)

5 0

4 years ago

In a continuous series, mean(x) = 80, assumed mean(A) = 60 and<br>EF=40 then find the value of EFd.

Aneli [31]

Using the given information, the value of Σfd is 800

<h3>Calculating mean using Assumed mean </h3>

From the question, we are to determine the value of Σfd

The formula for mean, using the assumed mean method is given by

$\bar x = A + \frac{\sum fd}{\sum f}$

Where $\bar x$ is the mean

A is the assumed mean

From the given information,

$\bar x = 80$

$A = 60$

$\sum f = 40$

Putting the parameters into the equation, we get

$80 = 60 + \frac{\sum fd}{40}$

$80-60 = \frac{\sum fd}{40}$

$20 = \frac{\sum fd}{40}$

$\sum fd = 20 \times 40$

$\sum fd = 800$

Hence, the value of Σfd is 800

Learn more on Mean here: brainly.com/question/20118982

#SPJ1

8 0

2 years ago

Angel is making bags of trail mix for hiking club. He will use 20 ounces of walnuts, 11.2 ounces of almonds, and 14.3 ounces of

zheka24 [161]

Answer:

1.82 oz.

Step-by-step explanation:

20 oz. walnuts/25 bags = 0.8

11.2 oz. almonds/25 bags = 0.448

14.3 oz. cashews/25 bags= 0.572

8 0

3 years ago

The relationship between the number of hours a plumber works and the total work fee she charges is proportional her fee for 5 ho

VMariaS [17]

Answer:Answer:

Step-by-step explanation:

Step-by-step explanation:Answer:

Step-by-step explanation:

8 0

3 years ago

Help me svsuushsjsjsjshshsjsjjsjsjebdbz pls

Vlad1618 [11]

Answer: 20

Step-by-step explanation:

STEP:1

Find the area of one circle

the area of the circle is equal to

A=bh

we have

b=11 ft

h=11 ft

subsititute

A= 11 times 11= 121

STEP: 2

Find the area of one circle

the area of the circle is equal to

A= $\pi r^2$

we have

r=11/2= 5.5

$\pi$ = 3/14

Subsititute

A= (3/14) (5.5^2)=94.985

STEP 3:

Find the REA OF THE FIGURE

121 ft^2 + 94.985 ft^2= 20.0656631

7 0

3 years ago