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
leonid [27]
2 years ago
14

(8x+5)+(−x2−8)I don't know what to do ​

Mathematics
2 answers:
nexus9112 [7]2 years ago
8 0

Answer:

-x^{2} +8x-3

Step-by-step explanation:

disa [49]2 years ago
3 0

Answer:

combine your like terms.

Step-by-step explanation:

(8x+5)+(-2x-8)

8x-2x=6x

5-8= -3

(6x-3)

Hope this helped stay safe:)

You might be interested in
Identify the solution set of 3 In 4 = 2 In x.<br> -{6}<br> -{-8,8}<br> -(8)
o-na [289]

Option C: The solution set is \{8\}

Explanation:

The expression is 3 \ln 4=2 \ln x

Now, let us find the solution set.

Switch sides, we get,

2 \ln x=3 \ln 4

Dividing by 2 on both sides, we have,

\ln x=\frac{3 \ln 4}{2}

Thus,  \ln 4=\ln 2^2=2\ln 2

Hence, the above expression becomes,

\ln x=\frac{3 \cdot 2 \ln (2)}{2}

Simplifying, we get,

\ln x=3 \ln 2

Applying the log rule, we get,

$$\ln x$=\ln \left(2^{3}\right)$

Simplifying, we have,

$$\ln x$=\ln \left8\right$

Applying the log rule, we have,

x=8

Thus, the solution set is \{8\}

Hence, Option C is the correct answer.

5 0
3 years ago
1
Leona [35]

Given:

The inequality is:

y>5x+3

To find:

The y-intercept, slope and type of line (solid or dotted).

Solution:

The slope intercept form of a line is:

y=mx+b            ...(i)

Where, m is the slope and b is the y-intercept.

We have,

y>5x+3

The relation equation is:

y=5x+3             ...(ii)

On comparing (i) and (ii), we get

m=5

b=3

It means the slope is 5 and the y-intercept is 3.

The sign of the inequality in the given inequality is ">". It means the boundary line is not included in the solution set. So, the boundary line is a dotted line.

Therefore, the slope is 5, the y-intercept is 3 and the line is a dotted line.

7 0
3 years ago
F(x)=3x-7 find the value of c so that f(c) =20 is true
Andreas93 [3]

<u>Answer</u>:

c = 9

<u>Explanation</u>:

given: f(x)=3x-7

<em>if f(c) =20</em>

To solve this replace x with c and then y is 20.

<u>Solve</u>:

3c - 7 = 20

3c = 27

c = 27 ÷ 3

c = 9

7 0
2 years ago
Read 2 more answers
Which of the following statements about the number line is true?
rusak2 [61]
It is D i think.............
.
8 0
3 years ago
Read 2 more answers
Efectuati ridicarea la putere
KATRIN_1 [288]
What power? ce <span>putere?</span>
8 0
3 years ago
Other questions:
  • Reduce 25/35 to lowest terms
    5·2 answers
  • Help please thanks!
    14·1 answer
  • Find the area of the polygon
    10·2 answers
  • Simplify the expression by combining like
    10·2 answers
  • What is the measurement of Angle JKL? *
    6·1 answer
  • Write a numerical expression for the word expression. 100 decreased by 77
    6·1 answer
  • Angelina has a fish tank in the shape of a rectangular prism. The fish tank is 20 inches long, 7 inches wide, and 12 inches tall
    11·1 answer
  • -5/12+5/8 what is the answer to this
    8·1 answer
  • PLEASE HELP ME AS SOON AS POSSIBLE
    9·1 answer
  • What is the slope of a line passing through (-5, 5) and<br> (-4, 10)?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!