All categories

3 years ago

Solve for b −3b+2.5=4 Two step equations with fractions and decimals

Mathematics

2 answers:

jenyasd209 [6]3 years ago

4 0

-3b+2,5=4
-3b=4-2.5
-3b=1.5
b=1.5/(-3)
b= -0.5

DIA [1.3K]3 years ago

3 0

−3b+2.5=4

Subtract 2.5 from both sides.

−3b+2.5−2.5=4−2.5

−3b=1.5

Divide both sides by -3.

−3b/−3 = 1.5/−3

b=−0.5

You might be interested in

How many ways can a dance instructor send 4 of her 11 students to a summer dance program?

Sedaia [141]

Answer:

d) 330

Step-by-step explanation:

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is C(11 , 4)

That is $11_{C_{4} }$ ways

by using formula $n_{C_{r} } = \frac{n!}{(n-r)!r!}$

now simplification

$11_{C_{4} } = \frac{11!}{(11-4)!4!}$

= $\frac{11X10X9X8X7!}{(7!)4X3X2X1}$

after cancelling 7! and on simplification

= $\frac{11X10X9X8}{4X3X2X1}$

after cancellation we get 330 ways

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is 330

8 0

3 years ago

I need hlep asap :$:)):):

LiRa [457]

Answer:

$w\geq -2$

Step-by-step explanation:

Distribute the 5 into the parentheses (multiply them both by 5)

$15.5w+6.5\geq -25$

Subtract the 6.5 from -25.

$15.5w\geq -31.5$

Divide -31.5 by 15.5.

$w\geq -2$

8 0

3 years ago

Which of the following expression is equivalent to 3 x - 2 x + 5

Margarita [4]

Answer:

what are the answer options?

Step-by-step explanation:

7 0

3 years ago

Can someone help me on this it is so confusing to me. Will give Brainliest!

quester [9]

Answer:

Step-by-step explanation:

Janet uses less than 4 cups of flour because 3/8 is less than one.

4 0

3 years ago

Read 2 more answers

If the fifth term in a geometric sequence is 1∕27 and the common ratio is 1∕3, find the explicit formula of the sequence.

ch4aika [34]

Answer:

Step-by-step explanation:

8 0

3 years ago