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2 years ago

(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:)

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Part 3: Complete the following metric conversions. Make sure to show all work to receive credit! You may

koban [17]

Answer:

13) 2 g

14) 5,000 mL

15) 104,000 m

16) 160 mm

17) 5,600,000 mg

19) 0.25 km

Step-by-step explanation:

13. Convert 2,000 mg to g:

1 mg = 0.001 g

(2,000 mg * 0.001 g) / 1 mg = 2 g

14. Convert 5 L to mL:

1 L = 1000 mL

(5 L * 1000 mL) / 1 L = 5,000 mL

15. Convert 104 km to m:

1 km = 1000 m

(104 km * 1000 m) / 1 km = 104,000 m

16. Convert 16 cm to mm:

1 cm = 10 mm

(16 cm * 10 mm) / 1 cm = 160 mm

17. Convert 5.6 kg to mg:

1 kg = 1,000,000 mg

(5.6 kg * 1,000,000 mg) / 1 kg = 5,600,000 mg

19) Convert 250 m to km:

1 m = 0.001 km

(250 m * 0.001 km) / 1 m = 0.25 km

6 0

2 years ago

What is 4/5 * 6 HELP ME PLEASE

Vesnalui [34]

Answer:

4 4/5 miles

Step-by-step explanation:

We want to multiply 4/5 * 6

4/5 * 6/1

24/5

We need to change this back to a mixed number

5 goes into 24 4 times (4*5 = 20 with 4 left over)

4 4/5 miles

8 0

2 years ago

Read 2 more answers

A truck rental company charges a one-

Mrac [35]

Answer:

D. 35

Step-by-step explanation:

.8(40+1x)=60

32+.8x=60

.8x=28

x=28/.8

X=35

6 0

2 years ago

Simplify the fraction and state the excluded value(s).

stira [4]

Answer:

$\displaystyle \frac{7x^2 + 4x - 20}{5x + 10} = \frac{7x - 10}{5}, x \neq -2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Terms/Coefficients

Factoring

Calculus

Discontinuities

Removable (Holes)
Jump (Piece-wise functions)
Infinite (Asymptotes)

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{7x^2 + 4x - 20}{5x + 10}$

Step 2: Simplify

[Frac - Numerator] Factor quadratic: $\displaystyle \frac{(7x - 10)(x + 2)}{5x + 10}$
[Frac - Denominator] Factor GCF: $\displaystyle \frac{(7x - 10)(x + 2)}{5(x + 2)}$
[Frac] Divide/Simplify: $\displaystyle \frac{(7x - 10)}{5}, x \neq -2$

When we divide (x + 2), we would have a removable discontinuity. If we were to graph the original function, we would see at x = -2 there would be a hole in the graph.

8 0

2 years ago

Round 94584 to the nearest hundreds

motikmotik

Answer:

94600

Step-by-step explanation:

A hundred has 2 zeroes. To round a number to the nearest hundreds, just look at the last 2 digits (84). If it is 5 or bigger, add 1 digit (as I did in this exercise) and so it becomes 94600.

8 0

2 years ago

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

(8x+5)+(−x2−8)I don't know what to do