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Marina CMI [18]

2 years ago

6

Jose earned 50 points in a video game. He lost 45 points, earned 90 points, then lost 35 more points. Enter and evaluate an expr

ession to find his final score in the video game.

1 answer:

marin [14]2 years ago

8 0

Answer:

60

Step-by-step explanation:

50-45+90-35

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Simplify: (3x2 − 5xy + 2y2) − (7x2 − 3xy − 3y2)

svlad2 [7]

Answer:

-4x² - 2xy + 5y²

Step-by-step explanation:

Step 1: Write expression

(3x² - 5xy + 2y²) - (7x² - 3xy - 3y²)

Step 2: Distribute negative

3x² - 5xy + 2y² - 7x² + 3xy + 3y²

Step 3: Combine like terms

-4x² - 2xy + 5y²

4 0

3 years ago

Read 2 more answers

Marina86 [1]

Answer:

$\sf \dfrac{1}{10}$

Step-by-step explanation:

From the table:

Total number of Sophomores = 10
Total number of students = 37
Total number of Boys who are Sophomores = 1

$\sf Probability \ of \ an \ event \ occurring = \dfrac{Number \ of \ ways \ it \ can \ occur}{Total \ number \ of \ possible \ outcomes}$

$\sf \implies P(Sophomore)=\dfrac{10}{37}$

$\sf \implies P(Boy \cap Sophomore)=\dfrac{1}{37}$

$\begin{aligned}\sf P(Boy | Sophomore) & = \sf\dfrac{P(Boy \cap Sophomore)}{P(Sophomore)}\\\\ & = \sf \dfrac{1}{37} \div \dfrac{10}{37}\\\\ & = \sf\dfrac{1}{37} \times\dfrac{37}{10}\\\\ & = \sf\dfrac{1}{10}\end{aligned}$

4 0

2 years ago

If 9(x + 5) = 63 , what is the value of x + 5 ?

alina1380 [7]

X=2 so the value of x+5 is 7

3 0

3 years ago

Kyle rides his bicycle 15 mph for 2 hours how far does he travel

Cerrena [4.2K]

Answer:

30mph

Step-by-step explanation:

Kyle rides his bike 30mph,

15mph x 2hrs = 30 mph.

15 miles per hour x 3 is 30mph total.

Hope this helps!

4 0

3 years ago

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What is 39,800,000 in scientific notation? A. 3.98 x 10 B. 398 x 10 C. 3.98 x 10 D. 39.8 x 10

Masteriza [31]

Answer:

3.98 x 10^7

Step-by-step explanation:

7 0

2 years ago

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