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3 years ago

-b+10=5b-8 what does b equal

Mathematics

2 answers:

Charra [1.4K]3 years ago

8 0

Answer:

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

b=3

(Hope this is correct and helps)

maksim [4K]3 years ago

3 0

Answer: b = 3

Step-by-step explanation:

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At Ralph’s fruit stand 3 apples cost 90 cents. You want to buy 7 apples. How much will they cost ?

MAVERICK [17]

Answer:

$2.10

Step-by-step explanation:

90 divided by 3

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30 times 7

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210 divided by 10

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4 years ago

Find the value of y, if the distance travelled<br> between the peints (2, y) and (-4, 3) is 10..

Rudiy27

Answer: y=11.

Step-by-step explanation:

$(2;y_1)\ \ \ \ (-4;3)\ \ \ \ \ L=10\ \ \ \ \ y_1 > 0\ \ \ \ y_1=?\\The\ distance\ travelled\ between\ the\ peints:\\L=\sqrt{(x_2-x_1)^2+(y_2-y_1)}\\ 10=\sqrt{(-4-2)^2+(3-y_1)^2}\\ 10=\sqrt{(-6)^2+3^2-2*3*y_1+y_1^2}\\ 10=\sqrt{36+9-6y_1+y_1^2} \\10=\sqrt{45-6y_1+y_1^2}\\10*10= \sqrt{45-6y_1+y_1^2}*\sqrt{45-6y_1+y_1^2}\\100=45-6y_1+y^2_1\\$

$y^2-6y_1+45=100\\y_1^2-6y_1-55=0\\y^2_1-6y_1-5y+5y-55=0\\y^2_1-11y_1+5y_1-55=0\\y_1*(y_1-11)+5*(y_1-11)=0\\(y_1-11)*(y_1+5)=0\\y_1-11=0\\y_1=11.\\y_1+5=0\\y_1=-5\notin\ (y_1 > 0).$

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2 years ago

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3 years ago

For a moving object, the force is acting on the object varies directly with the object’s acceleration. When a force of 9 N acts

svetlana [45]

Answer:

12 Newtons

Step-by-step explanation:

We can use Newton’s Second Law to find the mass first.

F = ma

9 = 3m

mass = 3

Substitute this into the second equation.

F = ma

F = 3(4)

F = 12N

Hope this helps! :D

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3 years ago

What is the Exponent for 54

Shkiper50 [21]

Answer:

it is 54

Step-by-step explanation:

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4 years ago

-b+10=5b-8 what does b equal​

-b+10=5b-8 what does b equal