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
Anika [276]
3 years ago
8

SOS if anyone could help that would be appreciated!!!❤️

Mathematics
1 answer:
Anastaziya [24]3 years ago
3 0

Answer:

See below

Step-by-step explanation:

2e)15-4x=10x+45

Solve:

15-4x=10x+45\\-4x-10x=45-15\\-14x=30\\ \boxed {x=-\dfrac{15}{7}}3(x+1)=21

Check:

15-4 \left(-\dfrac{15}{7} \right)=10\left(-\dfrac{15}{7} \right)+45

15+\dfrac{60}{7} \right)=-\dfrac{150}{7} +45

\dfrac{210}{7}  =30

30=30

3a) 3(x+1)=21

Solve:

3(x+1)=21\\3x+3=21\\3x=18\\x=6

3b) 2+3(x+1)=6x

2+3x+3=6x\\5=3x\\

x=\dfrac{5}{3}

3c) -2(2x-3)=-2

Solve:

-2(2x-3)=-2\\-4x+6=-2\\-4x=-8\\x=2

You might be interested in
Mark and his brother David are fighting over a toy airplane while playing their yard. Mark grabs the plane and takes off running
-BARSIC- [3]
David will have 2.57 seconds to get to mark and it’s 50 meters
5 0
2 years ago
Find the product of 9 and 583. <br><br> A. 64 <br> B. 592 <br> C. 5,247 <br> D. 5,347
Dmitry_Shevchenko [17]

Answer:

C. 5,247

Step-by-step explanation:

  1. Product = multiplication
  2. The product of 9 and 583: 9 × 583 = 5,247

I hope this helps!

7 0
2 years ago
Read 2 more answers
a tree increases in diameter each year by an average of 0.51cm. If the tree currently has a diameter of 4 inches, how old do you
Zepler [3.9K]
There are 2.54 cm in 1 inch.  Since we are estimating, we can round the average growth per year to .5 cm which would give you roughly 5 years per inch of diameter (2.5 / .5 = 5).  Since we have a tree with a 4 inch diameter, we can estimate the age of the tree is...

4 inches x 5 years/inch = 20 years old.
8 0
3 years ago
Find the x-intercept and y-intercept of the liné.<br> - 6x + 5y = 21
Hunter-Best [27]

Answer:

x=-3.5 or -7/2 (same thing)

y=21/5

Step-by-step explanation:

x intercept is when y=0

y intercept is when x=0

so

x intercept is

-6x=21

x=21/-6

x=-3.5

y intercept is

5y=21

y=21/5

7 0
3 years ago
Solve for b<br><br> B=??????
kozerog [31]

Answer:

\frac{b-7}{b+1}=\frac{b-10}{b+4}

\left(b-7\right)\left(b+4\right)=\left(b+1\right)\left(b-10\right)

\left(b-7\right)\left(b+4\right)=b^2-3b-28

\left(b+1\right)\left(b-10\right)=b^2-9b-10

b^2-3b-28=b^2-9b-10

b^2-3b-28+28=b^2-9b-10+28

b^2-3b=b^2-9b+18

b^2-3b-\left(b^2-9b\right)=b^2-9b+18-\left(b^2-9b\right)

6b=18

\frac{6b}{6}=\frac{18}{6}

b=3

4 0
2 years ago
Other questions:
  • A square pyramid has a base area of 64 ft2. The pyramid’s total surface area is 224 ft2.
    12·1 answer
  • Which is true about rigid transformations and circles?
    13·1 answer
  • Expand the following using either the Binomial Theorem You must show
    9·1 answer
  • Ellen purchased a dishwasher, which cost $315 before the 9.22% sales tax. She used the machine an average of 10 times per week f
    7·2 answers
  • What is the result when 55 increased by 209%?
    10·1 answer
  • Im struggling a bit can someone help me :)
    13·1 answer
  • Which measure of center is needed in a box plot?
    7·1 answer
  • -4y - 11x = 36 -10y - 10x = 20 ​
    11·1 answer
  • Rick used 4 2/3 yards of fabric to sew 3 1/2 shirts. What is the unit rate of cloth he used in terms of yards per shirt?
    5·1 answer
  • Maths<br><br> I’ll give the brainiest
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!