3 years ago

Look at the figure shown below.

Mathematics

2 answers:

Goryan [66]3 years ago

5 0

I need a picture is there a picture of the thing?

cluponka [151]3 years ago

3 0

Im guessing its A hope it helped

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F(x) = 2x² + x at (-1, 1)

lord [1]

Answer:

$f(x) = 2 {x}^{2} + x \\ at \: that \: point \: given \: \: x = - 1 \\ f(x) = 2 {( - 1)}^{2} + ( - 1) \\ f(x) = 2 - 1 \\ f(x) = 1$

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3 years ago

2 complementary angles are in the ratio 7:8.find the angles

slavikrds [6]

Complementary angles add up to 90 degrees
7:8....added = 15

7/15 * 90 = 630/15 = 42 <== one angle is 42 degrees
8/15 * 90 = 720/15 = 48 <== other angle is 48 degrees

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3 years ago

in a sale there is 25% off and a bed costs 33 pounds in the sale so how much was it before the sale ?

IceJOKER [234]

44 pounds
gonna type so i can post this because of the 20 character limit :P

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3 years ago

F(x) = -2<br> Find f (3)

valkas [14]

Answer:

f= -2/3

Step-by-step explanation:

Let's solve your equation step-by-step.

f(3)=−2

Step 1: Simplify both sides of the equation.

3f=−2

Step 2: Divide both sides by 3.

−2

Answer:

−2

8 0

3 years ago

Any answers I need help

natulia [17]

Answer:

(A) 21

Step-by-step explanation:

5x-15 needs to equal 90 since it is a right angle and 21 makes that true

$(5*21)=105\\105-15=90$

6 0

2 years ago

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