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2 years ago

Evaluate 2a+4b a=2 and b = -1

Mathematics

2 answers:

Leona [35]2 years ago

8 0

2(2)+4(-1)=4+-4=0, so your answer is 0 hope this helps

wariber [46]2 years ago

6 0

First, you need to plug in your values. 2(2)+4(-1) and now multiply. 4+(-4) and now add. your answer should be 0.

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The denominator of a fraction is greater than the numerator by 8. If the numerator is increased by 17 and denominator is decreas

MA_775_DIABLO [31]

Answer: $\frac{13}{21}$

Step-by-step explanation:

2( N+ 17) = 3 (N +7)

2N+ 34= ·3N+ 21

N= 13

D= N+8 = 13+8 = 21

Fraction is $\frac{13}{21}$

When Im using N is equal to numerator and D for denominator, in order to get the fraction we substitute and the results combine in the fraction like this $\frac{N}{D}$

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1 year ago

Write the linear equation in slope-intercept form passing through the point (0, 3) and that has a slope of 2.

Yuri [45]

Answer:

y=2x+3

Step-by-step explanation:

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2 years ago

Activity

hodyreva [135]

Answer:

The answers to each part are:

Part A.

The quantity of apples is one-third of the quantity of grapes.

Part B.

The quantity of apples is a quarter of the quantity of strawberries.

Part C.

The number of cherries is two-elevenths of the total fruit.

Step-by-step explanation:

To identify the answer in each case, you must remember that all the parts are equal, then:

Part A.

The parts of apples are 1 and the parts grapes are 3, so if you divide the first quantity with the second quantity you obtain:

1 / 3 = 1/3 (one-third)

So, the quantity of apples is one-third of the quantity of grapes or the quantity of apples is three times smaller than the quantity of grapes.

Part B.

The parts of apples are 1 and the parts of strawberries are 4, then you must divide the first quantity with the second quantity:

1 / 4 = 1/4 (a quarter)

In this case, the quantity of apples is a quarter of the quantity of strawberries or the quantity of apples is four times smaller than the quantity of strawberries.

Part C.

First, you must add all the part of fruit:

1 part apple
1 part orange
4 parts strawberry
2 parts cherry
3 parts grape

The total of fruits is 11 parts, taking into account the quantity of cherries is 2, now you can divide the number of cherries with the total parts of fruit: