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masya89 [10]
3 years ago
5

In a certain mid-size city, 90% of the high school graduates are from public schools

Mathematics
1 answer:
Marat540 [252]3 years ago
8 0

E.) .53

I just took this so I hope it helps

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Simultaneous equations<br> x^2+3xy=10<br> x=2y
satela [25.4K]

9514 1404 393

Answer:

  (x, y) = (-2, -1) or (2, 1)

Step-by-step explanation:

Substitute for x in the first equation:

  (2y)^2 +3(2y)y = 10

  10y^2 = 10

  y^2 = 1

  y = ±1

  x = 2y = ±2

Solutions are (x, y) = (-2, -1) or (2, 1).

8 0
3 years ago
Brainliest if correct
Ira Lisetskai [31]

the answer does be A

7 0
2 years ago
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David is making rice for his guests based on a recipe that requires rice, water, and a special blend of spice, where the rice-to
Elodia [21]

Answer:

The price of rice per gram is 0.006$

Step-by-step explanation:

I. David wants to make 10 servings,

each require 75 g of rice and 5 spice. When ratio is 15:1

If rice : spice = 75 : x

15x = 75

x = 5

=> 5 * 15 : 1 * 5

= 75 : 5

So rice : spice is  75 : 5

II. When 1 serving require 75 : 5

So 10 servings is 10 * 75 : 5 * 10

= 750 : 50

So he must has 750 grams rice and 50 grams spice.

III. He must buy spice and rice which..

a) He has 40 grams spice, he'll buy for 10 grams spice.

b) He has no rice, he'll buy for 750 grams rice.

But the question only ask for price of rice which he spend 4.5$

=  \frac{4.5}{750}

= 0.006$

In 1 gram of rice he spend 0.006$

If 750 grams of rice, he'll spend 750 * 0.006$ = 4.5$ => true

That makes 0.006$ is the right answer.

Hope that help :)

8 0
3 years ago
Lines CD and CE are tangent to circle a. If m∠DAE = 130°, what is the measure of ∠DCE? Tangent CD intersects with circle A at po
inna [77]

The answer is 50º

Step-by-step explanation:

It is the correct and only plausable answer.

5 0
2 years ago
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every moth ms thomas pays her car loan through automatic payments withdraws fro her savings account she pays the same amount on
Naya [18.7K]
I don't know if this helps or not but she pays $244.25 each month.
7 0
3 years ago
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