1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Len [333]
3 years ago
8

Branliest solve the equation 8.7=3.5m-2.5(5.4-6m)

Mathematics
1 answer:
ira [324]3 years ago
7 0
Simplifying
8.7 = 3.5m + -2.5(5.4 + -6m)
8.7 = 3.5m + (5.4 * -2.5 + -6m * -2.5)
8.7 = 3.5m + (-13.5 + 15m)

Reorder the terms:
8.7 = -13.5 + 3.5m + 15m

Combine like terms: 3.5m + 15m = 18.5m
8.7 = -13.5 + 18.5m

Solving
8.7 = -13.5 + 18.5m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-18.5m' to each side of the equation.
8.7 + -18.5m = -13.5 + 18.5m + -18.5m

Combine like terms: 18.5m + -18.5m = 0.0
8.7 + -18.5m = -13.5 + 0.0
8.7 + -18.5m = -13.5

Add '-8.7' to each side of the equation.
8.7 + -8.7 + -18.5m = -13.5 + -8.7

Combine like terms: 8.7 + -8.7 = 0.0
0.0 + -18.5m = -13.5 + -8.7
-18.5m = -13.5 + -8.7

Combine like terms: -13.5 + -8.7 = -22.2
-18.5m = -22.2

Divide each side by '-18.5'.
m = 1.2

Simplifying
m = 1.2
You might be interested in
A group of tourists spend $168 to rent snorkels and find. A total of 10 snorkels and 12 pairs of fins are rented. Renting a snor
WITCHER [35]

Answer:

Cost to a rent a snorkel=\$ 12                ,           Cost on 10 rent  snorkel =\$ 120

Step-by-step explanation:

Given,

Tourist spend on rent snorkel and fin=\$ 168

10 snorkel and 12 pairs of fin

Let the cost to  rent a snorkel be =\$x

and cost of a pair of fin is =\$y

x=3y            (given condition)

10x+12y=168

10\times 3y+12y=168

30y+12y=168

42y=168

y=168/42

y=4

Cost of a pair of fin=  y=\$ 4

x=3y

x=3\times 4

x=12

Cost of rent a snorkel=\$ 12

Total cost of a rent snorkel

=10\times 12

   =\$ 168

5 0
3 years ago
Find the value of x. Round your answer to the nearest tenth.
Crazy boy [7]
<h2>The value of x "option A) 12.5" is required answer.</h2>

Step-by-step explanation:

In given figure,

Base (b) = 11 and Angle = 28°

To find, the value of x = ?

We know that,

\cos A=\dfrac{b}{h}

Where, h is the hypotaneous = x

⇒ \cos 28=\dfrac{11}{x}

⇒ x=\dfrac{11}{\cos 28}

The value of \cos 28 = 0.8829

⇒ x = \dfrac{11}{0.8829}

⇒ x = 12.458

⇒ x ≈ 12.5

∴ The value of x ≈ 12.5

Thus, the value of x "option A) 12.5" is required answer.

7 0
3 years ago
Someone help me please
laila [671]

Answer:

37°

Step-by-step explanation:

You can see it is a right angle. Do 90-AOB angle=BOC angle.

4 0
3 years ago
36​% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and a
lana66690 [7]
I did it for you to answer answer please please text please answer question answer answer question please answer please please answer question answer answer please please text please answer answer please me question answer question question because I don’t think I yo ianswer u uI is a good day to go home please please answer answer question answer answer me question answer please answer answer question answer answer me question answer question question because I don’t think know answer question answer please please text me when you
5 0
4 years ago
The baker broke each of the cookies in half. She counted 6
densk [106]

Answer:

3

Step-by-step explanation:

6/2=3

six halves of cookies put the halves into pairs and you get 3

5 0
3 years ago
Other questions:
  • Using the ratio of perfect squares method, what is square root of 89 rounded to the nearest hundredth? Use the ratio of perfect
    15·1 answer
  • A town is designing a rectangular park that will be 600 feet by 1000 feet. A rectangular area of the park for swing sets will be
    6·2 answers
  • Calculate each probability, given that P(A) = 0.3, P(B) = 0.7, and A and B are independent.
    7·2 answers
  • I need this to be answered ASAP
    13·1 answer
  • find the distance between point A(-3,5) and point B(4,-6) in the coordinate plane. 1- What is the distance formula? 2- plug in t
    14·2 answers
  • Two gears in a 3: 1 ratio gearset and with a diametral pitch of 4 are mounted at a center distance of 6 in. Find the number of t
    15·1 answer
  • PLS HELP ME !
    8·1 answer
  • What is the length of PR?
    6·2 answers
  • Solve: 2x - 3 = 2x - 5​
    6·1 answer
  • Vivienne is making a cleaning solution that requires 1 cup of bleach and 6 cups of water. Which of the following combinations sh
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!