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3 years ago

Factor completely 2x2 − 50

Mathematics

2 answers:

Tju [1.3M]3 years ago

8 0

Answer:

$2(x+5)(x-5)$

Step-by-step explanation:

$2x2-50\\=2(x+5)(x-5)$

beks73 [17]3 years ago

4 0

Answer:

The answer you'll get after all the calculations is : $=2(x+5)(x-5)$

Step-by-step explanation:

All you have to do is factories it like this :

$2x^2-50$

$=2(x+5)(x-5)$

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Write the doubles minus one fact for 4+4

Vitek1552 [10]

4+4 =8
8-1=7

hopfully it helps

5 0

4 years ago

Read 2 more answers

The ordered pairs in the table below represent a linear function.

GenaCL600 [577]

Answer:

$\displaystyle m=2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (6, 2)

Point (9, 8)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{8-2}{9-6}$
[Fraction] Subtract: $\displaystyle m=\frac{6}{3}$
[Fraction] Divide: $\displaystyle m=2$

5 0

3 years ago

Help answer brainliesttttttttt

nydimaria [60]

2:15

Amount of problems:How much time.

2·5:15·5

=10:75

So 10 problems in 75 minuets.

HOPE THIS HELPED A LOT!!!!!

Can I have brainiest now???

8 0

3 years ago

Plz help its so confusing

aleksklad [387]

Answer:

20, 4

Step-by-step explanation:

Let's assume total number of students registered is n

Last week n/4 people are absent

so people present are n - n/4 = 3n/4

Today after return of Jen 1/5 n are absent

so people present are n - n/5 = 4n/5

which is also equal to last week present people + 1 (Jen)

= 3n/4 + 1

= (3n + 4) / 4

so (3n + 4) / 4 = 4n/5

=> 3n + 4 = 4n/5 * 4

=> (3n + 4) * 5 = 16n

=> 15n + 20 = 16n

=> 20 = n

=> n = 20

So total students registered for class is 20

today no of people absent = n/5 = 20/5 = 4

8 0

2 years ago

3(3b +2)=-30 what is b =

ycow [4]

3(3b+2)=-30 perform indicated multiplication on left side...

9b+6=-30 subtract 6 from both sides

9b=-36 divide both sides by 9

b=-4

4 0

3 years ago