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3 years ago

What is 1.7a+0.3a=4/5??? Halp me plz...

Mathematics

2 answers:

Ray Of Light [21]3 years ago

6 0

Sunny_sXe [5.5K]3 years ago

3 0

Answer:

The value of a is 2/5.

Step-by-step explanation:

Consider the provided equation.

$1.7a+0.3a=\frac{4}{5}$

We need to solve the equation for a.

Add the like terms.

$2a=\frac{4}{5}$

Divide both the sides by 2.

$\frac{2a}{2}=\frac{4}{5\times 2}$

$a=\frac{2}{5}$

Hence the value of a is 2/5.

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2 years ago

Polygon ABCD, shown in the figure, is dilated by a scale factor of 8 with the origin as the center of dilation, resulting in the

saveliy_v [14]

C = (5,4)

D = (4,2)

Dilation with factor 8 => for the same x, y increase by a factor of 8

=> C' = (5, 8*4) = (5, 32)

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You can also see that the slope of CD = [4 - 2] / [5 - 4] = 2

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7 0

3 years ago

Read 2 more answers

Marisa wants to buy a quality phone for least $200.She has already saved $125 and plans to save an additional $10 each week.Writ

eduard

Answer:

The inequality can be represented as:

$10w+125\geq200$

where $w$ represents the number of weeks in which Maria will be able to buy a phone for least $200.

On solving it we get : $w\geq 7.5$

Step-by-step explanation:

Given:

Maria wants to buy a phone for at least $200.

She has savings of $125.

She plans to save $10 every week.

To write an inequality for the situation.

Solution:

Let the number of weeks in which Maria will be able to buy a phone be = $w$

If she saves $10 each week.

Then, in $w$ weeks she will save in dollars = $10w$

She already has savings = $125

So her total savings in $w$ weeks in dollars will be = $10w+125$

She wants to buy a phone for at least $200.

Thus, the inequality can be represented as:

$10w+125\geq200$

Solving for $w$

Subtracting both sides by 125.

$10w+125-125\geq 200-125$

$10w\geq 75$

Dividing both sides by 10.

$\frac{10w}{10}\geq \frac{75}{10}$

$w\geq 7.5$

Thus Maria needs at least 7.5 weeks to be able to buy a phone for atleast $200.

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3 years ago

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Soloha48 [4]

I'm just going to write out the answers.
1. 3/6 < 1
2. 5/4 > 1
3. 8/10 < 1
4. 5/8 < 1
5. 7/9 < 1
6. 9/10 < 1
7. 5/8 < 1
8. 11/8 > 1
9. 32/35 < 1
10. 33/36 < 1
11. 13/15 < 1
12. 45/54 < 1
13. 11/10 > 1
14. 52/46 > 1
15. 19/21 < 1
16. 78/80 < 1

Hope this helps! :)

4 0

3 years ago