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3 years ago

2 1/3⋅3 1/2 i need to KNOW NOW!!!!

Mathematics

1 answer:

Sveta_85 [38]3 years ago

4 0

Answer:

fraction form: 49/6

decimal from: 8.16

mixed form: 8 1/6

Step-by-step explanation:

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Find the difference. 9 - (-10)

Salsk061 [2.6K]

Answer:

Step-by-step explanation:

9 - (-10) = ?

To do this, we need to use the additive inverse and the method of K(eep)F(lip)C(hange)

So, the problem becomes: 9 + 10 = ?

Do the math, and you get your answer of 19.

8 0

3 years ago

Mariya was asked to solve StartFraction a over negative 13 EndFraction less-than-or-equal-to negative 16 and then graph the solu

lozanna [386]

Answer:

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4 years ago

Read 2 more answers

Trey solved the equation 1/4(8x+16) = 4x, the answer he got was 8=x. Describe the error he made. Then solve the problem...PLZ HE

Dimas [21]

In this case, you can multiply both sides by 4 to get rid of the 1/4 real quick.
4[1/4(8x+16=4x]
8x+16=16x
8x=16
x=2

8 0

4 years ago

Read 2 more answers

Thank you for this :)

iragen [17]

Blue = 6x3 = 18
Purple = 4 + (5 x 2) = 14
Orange = 2(2 x 3) = 12
Bottom = 6 x 3 = 18
Back = 4 x 3 = 12
Opposite purple = purple = 14

18 + 14 + 12 + 18 + 12 + 14 = 88

Answer = 88 cm squared

5 0

2 years ago

The function intersects its midline at (-1.25,-3) and a maximum point at (0,4) Find a formula for f(x) Give an exact expression.

stellarik [79]

Answer: y = 7cos(0.4π x) - 3

Step-by-step explanation:

The equation of a cosine function is: y = A cos(Bx - C) + D where

Amplitude (A) is the distance from the midline to the max (or min)
Period (P) is the length of one cosine wave --> P = 2π/B
Phase Shift (C/B) is the horizontal distance shifted from the y-axis
Midline (D) is the vertical shift. It is equal distance from the max and min

Midline (D) = -3

(-1.25, -3) is given as a point on the midline. We only need the y-value.

Horizontal stretch (B) = 0.4π

The max is located at (0,4) and also at (5, 4). Thus the period (length of one wave) is 5 units.

$P=\dfrac{2\pi}{B}\qquad \rightarrow \qquad 5=\dfrac{2\pi}{B}\qquad \rightarrow \qquad B=\dfrac{2}{5}\pi$ → B = 0.4π

Phase Shift (C) = 0

The max is on the y-axis so there is no horizontal shift.

Amplitude (A) = 7

The distance from the midline to the max is: A = 4 - (-3) = 7

Equation

Input A = 7, B = 0.4π, C = 0, and D = -3 into the cosine equation.

y = A cos(Bx - C) + D

y = 7cos(0.4π x - 0) - 3

y = 7cos(0.4π x) - 3

3 0

3 years ago