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Natasha_Volkova [10]
3 years ago
8

Ill choose you brainliest , if you choose the correct answer

Mathematics
1 answer:
N76 [4]3 years ago
5 0
The answer is F and D
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Write the polynomial in standard form (-5x^3+6x^2-3x+7)+(7x^3+8x^2-10x-10)
Greeley [361]

Answer:

2x^3 +14x^2 -13x-3

Step-by-step explanation:

5 0
3 years ago
A is in the shape of a quarter circle of a radius of 15cm. B is in the shape of a circle. the area of shape A is 9x the area of
RideAnS [48]

The radius of B is 2.5cm.

<h3>What is a circle?</h3>

A circle is the locus of points equidistant from a common point which is called the center of the circle.

Analysis:

Area of circle A = πr^{2}/4 = π(15)^{2}/4 = 225π/4

Area of circle B = πr^{2}

But A = 9B

225π/4 = 9 x πr^{2}

r^{2} = 225/36 = 25/4

r = \sqrt{\frac{25}{4} } = 5/2 = 2.5cm

Learn more about circle: brainly.com/question/24375372

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8 0
2 years ago
The spread around a regression modle is measured with the residual standard deviation. True or False
Anna11 [10]

Answer:

True

Step-by-step explanation:

Residual standard deviation is the square root of the residual variance. It is an estimate of the error made on the measurement of the dependent variable.

Thus, the spread around the regression model is usually measured with the residual standard deviation because it is the measurement of standard error between actual and predicted value.

3 0
3 years ago
Help 10 points please
liubo4ka [24]

Answer:

jaxoscxhdnsidsbc

Step-by-step explanation:

aciowshavpaslkn oica xhkvsaih oilcs

6 0
3 years ago
James just bought a large container of ice cream. The label says that there are 16 servings of ice cream.
Ludmilka [50]
The correct formula that must be used is y=x/16. Variable 'x' represents the total mass of ice cream in the container. Mass of ice cream per serving is represented by the variable 'y'. The total mass of ice cream is divided by sixteen to determine the number of grams per serving.
6 0
3 years ago
Read 2 more answers
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