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lord [1]
3 years ago
15

Add the two questions -6.5b + 11 and 3.3b - 2​

Mathematics
1 answer:
Viktor [21]3 years ago
8 0

Answer: 5.8b

Step-by-step explanation:

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HEEELLLPP PLEASEE I GIVE BRAINLIST!!!
Mila [183]
Take any of the valid pairs of points, use the formula
rate of change = (y2-y1)/(x2-x1)

Say we use P1=(0,21.4), P2=(3,19)
x1=0, y1=21.4
x2=3, y2=19

Rate of change = (21.4-19)/(0-3)=2.4/(-3) = -0.8 sq. ft/in of liquid
4 0
3 years ago
Prove this identity using the product-to-sum identity for sin... sin^2 x=(1-cos(2x))/(2)
Simora [160]

Answer:

sin²x = (1 - cos2x)/2 ⇒ proved down

Step-by-step explanation:

∵ sin²x = (sinx)(sinx) ⇒ add and subtract (cosx)(cosx)

(sinx)(sinx) + (cosx)(cosx) - (cosx)(cosx)

∵ (cosx)(cosx) - (sinx)(sinx) = cos(x + x) = cos2x

∴ - cos2x + cos²x = -cos2x + (1 - sin²x)

∴ 1 - cos2x - sin²x = (1 - cos2x)/2 ⇒ equality of the two sides

∴ (1 - cos2x) - 1/2(1 - cos2x) = sin²x

∴ 1/2(1 - cos2x) = sin²x

∴ sin²x = (1 - cos2x)/2

4 0
3 years ago
State the probability that justifies each statement.<br><br>11. If 2x+19=27, then 2x=8​
Liono4ka [1.6K]

Answer:

100% true....

subtracting 19 from both sides brings you to 2x=8, so x=4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Write the first 6 answers to the sequence and please explain how you got them
Debora [2.8K]

Answer:

Step-by-step explanation:

a1 = 7

a2 = 4(7) = 28

a3 = 4(28) = 112

a4 = 4(112) = 448

a5 = 4(448) = 1792

a6 = 4(1792) = 7168

4 0
3 years ago
At the beginning of the week, Josh had 323232 computer games, 133\33, percent as many computer games as Peter had. By the end of
Ronch [10]

Answer:

Josh =24

Peter = 32

Step-by-step explanation:

Given

Beginning of Week

Josh = 32

Josh = 133\% * Peter

First, we calculate the amount Peter has at the beginning of the week

Josh = 133\% * Peter

Make Peter the subject

Peter = \frac{Josh}{133\%}

Peter = \frac{32}{133\%}

Peter = \frac{32}{1.33}

Peter = 24

When Josh gave out 25%.

The number (n) of computers is:

n = Josh * 25\%

n = 32 * 25\%

n = 8

This means that Josh gave out 8 computers.

So, the amount they both have is:

Josh =32 - 8

Josh =24

Peter = 24+8

Peter = 32

7 0
2 years ago
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