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3 years ago

2 A rectangular computer screen has an area of A square inches. The width of the

Mathematics

2 answers:

Andrei [34K]3 years ago

7 0

Answer:

I think its F

Step-by-step explanation:

Vlad [161]3 years ago

5 0

I wanna say it’s letter f or j I’m not sure.

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PLEASE HELP<br> find the vertex of f(x)=x^2+2x+3 (make sure you show your work)

kotegsom [21]

Answer:

(- 1, 2)

Step-by-step explanation:

Given a quadratic in standard form y = ax² + bx + c : a ≠ 0

Then the x- coordinate of the vertex is

$x_{vertex}$ = - $\frac{b}{2a}$

f(x) = x² + 2x + 3 ← is in standard form

with a = 1 and b = 2, hence

$x_{vertex}$ = - $\frac{2}{2}$ = - 1

Substitute x = - 1 into f(x) for corresponding value of y

f(- 1) = (- 1)² + 2(- 1) + 3 = 1 - 2 + 3 = 2

vertex = (- 1, 2 )

4 0

3 years ago

Can i please get your help , it will mean a lot if you actually do and luvya so for helping genuinely :)

Art [367]

Answer:29

Step-by-step explanation:

Opposite angles in a quadrilateral (the trapezium inside the circle) must add up to 180, so 180-92 = 88.

So DAB = 88

Angles on a straight line add up to 180, so to find t, you have to 180 - 88 - 63 = 29

So t is 29.

Hope that helps!

8 0

3 years ago

M - 37 = 56<br> jack has 56 marbles Kyle has 37 fewer than jack

Goshia [24]

Do we have to solve for M if so, the answer is

m-37 = 56

m =56 + 37

m = 93

hope it's helpful

8 0

3 years ago

Trail mix sold in 1 Lb bags. Mary will buy trail mix for 15 members and each gets 2/5 pound bag. How many 1 lb bags should she b

solong [7]

Answer:

Mary should buy 6 bags

Step-by-step explanation:

To find the answer multiply $\frac{2}{5}$ by 15

$\frac{2}{5}*15=6$

So 6 Ib of trail mix will be perfect for the whole group

5 0

3 years ago

Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference o

AlekseyPX

Answer : 96

x – y = 16 --------> equation 1

$\frac{1}{8} x +\frac{1}{2} y = 52$

x is the higher grade and y is the lower grade

We solve the first equation for y

x - y = 16

-y = 16 -x ( divide each term by -1)

y = -16 + x

Now substitute y in second equation

$\frac{1}{8} x +\frac{1}{2} ( -16 + x ) = 52$

$\frac{1}{8} x - 8 + \frac{1}{2} x = 52$

$\frac{1}{8} x + \frac{1}{2} x - 8 = 52$

Take common denominator to combine fractions

$\frac{1}{8} x + \frac{4}{8} x -8 = 52$

$\frac{5}{8} x - 8 = 52$

Add 8 on both sides

$\frac{5}{8} x = 60$

Multiply both sides by $\frac{8}{5}$

x = 96

We know x is the higher grade

96 is the higher grade of Jose’s two tests.

6 0

3 years ago

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