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Gemiola [76]
3 years ago
5

What is the value of ××+3=10

Mathematics
2 answers:
Eva8 [605]3 years ago
5 0

The answer is A. 7.

Simply subtract 3 from both sides of the equation to isolate the variable x.

x+3-3=10-3

x=7

Lesechka [4]3 years ago
4 0
The the value of x is A.
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A triangle has ∠A, ∠B, and ∠C.<br> ∠B is 20° more than ∠A.<br> ∠C is double ∠B.<br> How big is ∠A?
san4es73 [151]

Answer:

30°

Step-by-step explanation:

∠A + ∠B + ∠C = 180

∠B = ∠A + 20

∠C = 2 * ∠B

<A + (∠A + 20) + (2 * ∠B) = 180

<A + (∠A + 20) + (2 * (∠A + 20)) = 180

<A + (∠A + 20) + 2∠A + 40 = 180

4∠A + 60 = 180

4∠A = 120

∠A = 30

5 0
3 years ago
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I mark brainliest for all my questions that are answered right :) thx for helping me
allsm [11]
The correct answer is y= 0.513(1.833)^x


Explain


We will use the equation on this form

Y=ab^x

Let’s us plug in the coordinates of first point

(X, y) , ( 9, 120)

We will have

Y=ab^x

120= ab^9

Our equation for a will be

Ab^9 = 120

ab ^9 / b^9 = 120/ b^9


a = 120/ b^9

So will have


Y= 120/ b^9 • b^x

Then we will plug in coordinates for the second point


( x,y) = ( 10, 220)

We will have

Y= 120/b^9 • b^x

220 = 120/b^9 • b^10-9


220= 120b

Divide both side by 120

B= 11/6

B= 1.833333 = 1.833



Let’s plug in the value b=11/6 to our equation for a


A= 120/b^9

A= 120/ 11/6^9

A= 120/11^9/6^9


A=120 • 6^9 / 11^9

= 0.51285 which equal to 0.513



So therefore the answer is

Y= 0.513(1.833)^x


I hope this help you

:D
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3 years ago
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the answer is red of all
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Two cars simultaneously left Points A and B and headed towards each other, and met after 2 hours and 45 minutes. The distance be
rjkz [21]

Answer:

Its 41 mph and 55 mph

Step-by-step explanation:

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3 years ago
Max went to a shopping mall with $35 in his wallet. He spent of the money he had in his wallet at the bookstore. How much money,
photoshop1234 [79]

Answer:

0$

Step-by-step explanation:

If he spent all of his money, than he has nothing left.

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3 years ago
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