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docker41 [41]
3 years ago
13

Getting trained and licensed involved a one time cost of $474. Gas and insurance costing him $2 per kilometer. Jayden will get p

aid $350 plus $4 per kilometer that he drives. Solve using substitution
Mathematics
1 answer:
Igoryamba3 years ago
3 0

Answer:

y=474+2x

y=350+4x

Answer: x=62 y=598

Step-by-step explanation:

Place the two equations equal to each other.

350+4x=474+2x

Then Subtract 350 from 474 which gets you to 124.

4x=124+2x

Then subtract 2x from both sides.

Which make the equation look like this: 2x=124

Now divide 124 by 2.

so x=62.

Then you will need to plug in x in one of the equations to know what y is.

I plugged it into this one: y=474+2(62)

Now solve.

It should get you to the answer of 598.

So, overall x=62 while y=598.

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In trapezoid ABCD with bases AB and DC , diagonals intersect at point O. Find the length of diagonal BD , if BO=6 cm and: AO/OC
aalyn [17]

Answer:

8 cm

Step-by-step explanation:

... BO/OD = AO/OC = 3/1

Written another way, this is ...

... OD : BO = 1 : 3

Now, BD = OD + BO, so we have

... BD : BO = (OD +BO) : BO = (1 +3) : 3 = 4 : 3

That is, BD = 4/3 × BO

... BD = 4/3 × 6 cm = 8 cm

6 0
3 years ago
I wasnt paying attention
labwork [276]

a equals 16. You multiply both sides be -10 and then you add 6.

7 0
3 years ago
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an engineer decides to use similar triangles to find the distance across the river she makes the diagram below which triangles t
sergiy2304 [10]
<h2>Explanation:</h2><h2 />

The missing diagram is shown below. Remember that shapes are similar if you can turn one into the other by moving, rotating, flipping, or scaling. So this means you can make the object bigger or smaller. So in this case, we know that ΔABC is similar to ΔDEF. If so, we can establish the following proportion:

\frac{h}{56.7}=\frac{17.2}{52.4} \\ \\ h=56.7\times \frac{17.2}{52.4} \\ \\ h=18.61m

Our goal is to find x. So by Pythagorean theorem:

x=\sqrt{17.2^2+18.61^2} \\ \\ \boxed{x=25.34m}

Conclusion:

<em>ΔABC ~ΔDEF</em>

<em>Distance across the river is 25.34m </em>

8 0
3 years ago
at the ice cream shop there are 14 shakes sold for every 6 malts. What is the ratio of malts to shakes'
ad-work [718]
The ratio would be 14:6
If you reduce it it would be 7:3
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3 years ago
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Is (-6, -3) a solution to the equation y = 2x? Yes or No
Sauron [17]

Answer: I don’t think so, it’s multiple choice.

Step-by-step explanation: A. =−2−20 B. =2−8

C. =−2−1 D. =2−20

3 0
3 years ago
Read 2 more answers
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