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Nookie1986 [14]
3 years ago
5

What is the simplest form of the expression (14.2a + 9.8b) – (13.1b – 0.2a) – (3.7a + 4.8b)?

Mathematics
2 answers:
Wewaii [24]3 years ago
6 0
<span>(14.2a + 9.8b) - (13.1b - 0.2a) - (3.7a + 4.8b)
</span>14.2a + 9.8b - 13.1b + 0.2a - 3.7a - 4.8b
(14.2a + 0.2a - 3.7a) + (9.8b - 13.1b - 4.8b)
10.7a - 8.1b

deff fn [24]3 years ago
4 0

Answer:

10.7a - 8.1b

Step-by-step explanation:

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liq [111]
1 ounce is .125 cups so 12 ounces of popcorn kernels would make 1 and 1/2 cups of popcorn
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A 500-g package of pastrami costs $6.25.
Artyom0805 [142]

Answer:

a) 1.25

b) 9.38  (exact calculation 9.375)

c) 0.03  (exact calculation 0.025)  

Step-by-step explanation:

a) divide 6.25 by 5

b) multiply 1.25 ( the cost for 100 ) by 7.5

c) Divide 6.25 ( cost for 500 ) by 250

4 0
3 years ago
What is the answer to <br> x=3x-20 and y=-6+30
NISA [10]

Answer:y=24 and x=10

Step-by-step explanation:

To find the value of x and y in x=3x-20 and y=-6+30

We gets

y=24

To get x

x=3x-20

Collect like terms

x-3x=-20

Divide through by -2

-2x=-20

x=10

5 0
3 years ago
a company that makes hair care products had people try a new shampoo of the 200 people 20 had a mild allergic reaction. what per
Anna007 [38]

Answer:

4%

Step-by-step explanation:

8 divided by 200 equals 0.04

0.04 times 100 equals 4

Therefore 4 percent of the people had a mild allgergic reaction.

5 0
3 years ago
Form the intersection for the following sets.
Luden [163]

Answer:

Your required answer is option is {20}.

Step-by-step explanation:

Hey, there!!

The reason for above answer is we generally find intersections among the sets by extracting the common elements of the sets.

Here,

R = {10,15,20}

S = {20,25}.

Now, 20 is common im both so,

R intersection S = {20}.

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

6 0
3 years ago
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