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3 years ago

7

A All angles are acute and measure 60°. B One angle is a right angle that measures 90°. C One angle is an obtuse angle that meas

ures more than 90°. D The sum of the three angles equals more than a straight angle. YOU WILL EARN 20 POINTS IT U ANSWER

1 answer:

Over [174]3 years ago

3 0

Answer:

240 degrees

Step-by-step explanation:

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spencer took 21$ with him to the mall. At the music store, he spent 2/3 of his money on a DVD, he spent 1/4 of what he had left

Sunny_sXe [5.5K]

Answer:

$5.25 Dollars

Step-by-step explanation:

I know that if you divide 21 by 3 you get 7. So, 2/3 of 21 is 14. He spent 14 dollars at the music store. This means that he has 7 dollars left. From here he spend 1/4 of 7 dollars on a drink. 1/4 of 7 is $1.75. This means that he has 5.25 dollars left after he bought the drink! :)

<em>Hope this helped! :)</em>

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4 years ago

Solve for x <br><br>x^3 - 3x = 0

artcher [175]

Answer:

x^3-3x=0

+3x

x^3=3x

ok so that means that that number cubed is the same as a number squared so

x = 0

x = -sqrt(3)

x = sqrt(3)

im going say the answer is mostly likely 0 but it could be the other ones

Hope This Helps!!!

8 0

2 years ago

Read 2 more answers

EDIT// answer below thank for the help -.-

HACTEHA [7]

Step-by-step explanation:

Move it it up 4 and then find your x intercepts.

Find the x intercepts.

$-x^2 + 4 = 0$

<u>Move the 4 over to the right</u>

$-x^2 = -4$

<u>Divide out the - </u>

$\frac{-x^2}{-} = \frac{-4}{-}$

$x^2 = 4$

<u>Take the square root of each side</u>

$\sqrt{x^2} = \pm \sqrt{4}$

$x = \pm \sqrt 2$

Our x intercepts are at (-2,0) (2,0)

8 0

4 years ago

Is the point (1,5) a solution to the equation below?

allochka39001 [22]

Answer:

A. No

Step-by-step explanation:

y = 2x + 4

(5) = 2(1) + 4

5 = 2 + 4

5 = 6 (false statement)

7 0

3 years ago

Which of the following numbers is a factor of 78?

Aloiza [94]

Step-by-step explanation:

78 = 2 * 39 = 2 * 3 * 13.

Since 6 = 2 * 3 and its factors can be found in 78,

Hence the answer is 6. (C)

4 0

3 years ago