3 years ago

Plz help I don’t know the answer

Mathematics

1 answer:

Dahasolnce [82]3 years ago

5 0

Are there options for the answers or not? If there is add the options.

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A and B share the cost in a ratio of 3:2. A pays £125, how much does B pay?

jolli1 [7]

Cross multiply then solve for x:

3/2 * 125/x

2*125 = 250
3 * x = 3x

3x = 250
x = 83.33 = 83 (rounded)

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How is a trapezoid different from the other four types of quadrilaterals you have learned about?

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It could be because of its shape? but im not all the way sure (plz mark me as brainliest and hit the thank u button) ps im sorry if I was wrong

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6.875- Negative (-1/4)

kherson [118]

Answer:

7.125

Step-by-step explanation:

$6.875 - (-\frac{1}{4})$

Two negatives multiply to give a positive and thus we can remove the parenthesis

$6.875 +\frac{1}{4}$

Converting fractions to decimals.

$6.875+0.25$

=7.125

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3 years ago

Which equation represents a circle with a center at (-4, 9) and a diameter of 10 units?

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(x + 4)2 + (y - 9)2 = 25

Step-by-step explanation:

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Find the zeros of the function below.<br><br> -7x=x^2+12

Paul [167]

Answer:

Step-by-step explanation:

-7x = x² + 12

Set equation to zero:

x² + 7x + 12 = 0

Quadratic formula:

x = [-7±√(7²-4·1·12)]/[2·1]

= [-7±√1]/2

= -3,-4

The zeros are -3 and -4

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3 years ago