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2 years ago

5

Lawrence has 10 coins in his pocket. one coin is a quarter, and the others are all nickels or dimes. the coins are worth 90 cent

s

1 answer:

user100 [1]2 years ago

4 0

1 quarter, 5 nickles, and 4 dimes

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2. (02.01 LC)<br> 2x - 20<br> Solve:<br> 2x = 20<br> = 2x

Lubov Fominskaja [6]

The answer is x = 10

6 0

2 years ago

Please help i need it quickly i only have 5 minutes left. ill give brainliest.

Gemiola [76]

Answer:

A

B

C

Step-by-step explanation:

A

11=4(7)-17

11=28-17

11=11

B

-13=4(1)-17

-13=4-17

-13=-13

C

-1=4(4)-17

-1=16-17

-1=-1

6 0

2 years ago

What's 8n-(2n-3)=12?

Alborosie

8n- (2n-3) =12
8n-2n= 12+3
6n=15
n= 2.5

Hope this helps :)

6 0

2 years ago

A flag pole has a rope that attaches to the ground from the top of the flagpole the rope create a 30° angle with the ground and

OLEGan [10]

Answer:

$5.77\ \text{m}$

$11.54\ \text{m}$

Step-by-step explanation:

p = Height of pole

h = Length of role

b = Distance between the bottom of the rope and bottom of the pole = 10 m

$\theta$ = Angle between the rope and the ground = $30^{\circ}$

$\tan\theta=\dfrac{p}{b}\\\Rightarrow p=b\tan\theta\\\Rightarrow p=10\tan30^{\circ}\\\Rightarrow p=5.77\ \text{m}$

The length of the rope is $5.77\ \text{m}$

$\cos\theta=\dfrac{b}{h}\\\Rightarrow h=\dfrac{b}{\cos\theta}\\\Rightarrow h=\dfrac{10}{\cos30^{\circ}}\\\Rightarrow h=11.54\ \text{m}$

The length of the pole is $11.54\ \text{m}$

3 0

2 years ago

Enter an algebraic expression that represents the difference between e squared and twenty-one

Readme [11.4K]

Answer: e^2 - 21

Step-by-step explanation:

e squared will e^2

twenty one will be 21.

The diffrence is the same as subtraction .

e^2 - 12

3 0

2 years ago