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3 years ago

Find the measure of b

Mathematics

2 answers:

Marysya12 [62]3 years ago

6 0

Answer:

the answer is C: 90

Step-by-step explanation:

if its across from the number then its gonna be the same

Andru [333]3 years ago

3 0

Answer:

c: 90°

Step-by-step explanation: The lines are a reflection of each other, so the 90° angle is the same as B. :) sorry if my explanation is bad.

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Exponential and growth. Pls help me T^T

sergiy2304 [10]

Answer: r = -0.14

Step-by-step explanation:

$K=K_o\cdot e^{rn}\quad \text{where;}\\\bullet K\ \text{is the final amount of Kristinite}\\\bullet K_o\ \text{is the initial amount of Kristinite}\\\bullet r\ \text{is the rate of decay}\\\bullet n\ \text{is the number of seconds the decay has occurred}\\\\\\\text{Given:}\\\\K: \dfrac{1}{2}K_o\\\\r: unknown\\\\n: 2\\\\\\K=K_o\cdot e^{rn}\\\\\\\dfrac{1}{2}K_o=K_o\cdot e^{r(5)}\\\\\\\dfrac{1}{2}=e^{5r}\\\\\\ln\dfrac{1}{2}=5r\\\\\\\dfrac{ln\dfrac{1}{2}}{5}=r\\\\\\-0.14=r\\$

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3 years ago

Find the measure of the central angle that you would draw to represent 67% in a circle graph. Round your answer to the nearest d

natima [27]

Circle=360 so
67%=67% of 360

percent means parts out of 100 so
67%=67/100=0.67

'of' means multiply
67% of 360=0.67 times 360=241.2

round
241

answer is 241 degrees

5 0

3 years ago

A person draws a map showing the amount of silt left by the flooding of the Nile River. What type of social science does this mo

Kryger [21]

Answer:

Geography.

Step-by-step explanation:

Geographers use many tools in their work. Maps, globes, photos, satellite images, and models are all tools that geographers might use. Geographers who study ancient Egypt might want to know how the people used the Nile River. For example, the Nile is known to flood. Geographers might study how people dealt with flooding. They might also want to know if or how they used floods to help them.

Not owned by me.

4 0

3 years ago

PLEASE HURRY 3x - 10 - 2x +5 What is the value of x? -5 1 3 15

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3 years ago

Read 2 more answers

May anyone help me with this Math?

Liono4ka [1.6K]

1) The Volume: 162.776

2) The Volume: 934.6995

3) The Volume: 27,672.192

4) The Volume: 2,102.544

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3 years ago