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3 years ago

5p = 2.5 A.) 5 B.)0.05 C.)0.5 D)2

Mathematics

1 answer:

shutvik [7]3 years ago

6 0

Divide both sides by 5. You get 1/2 or 0.5
The answer is C

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Given the equation 4x + 7 = 3(2x − 5), solve for the variable. Explain each step and justify your process.

MariettaO [177]

Part 1: $4x + 7 = 3(2x - 5)$

$4x+7=6x-15$

$7=6x-15-4x

$

$7=2x-15$

$7+15=2x$

$22=2x$

$22=2x / 2$

$x=11$

Part 2: Sam is not correct because he messed up the second step. He added 2x on both sides to get 7x, instead he should have subtracted.

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2 years ago

When purchasing bulk orders of batteries, a toy manufacturer uses this acceptance sampling plan: Randomly select and test 49 b

Brilliant_brown [7]

Answer:

Step-by-step explanation:

Given that A shipment contains 6000 batteries, and 1% of them do not meet specifications.

Sample size =49

If x is the number of batteries not meeting specifications then

x is binomial with n =49 and p = 0.01

Because i) each toy is independent of the other

ii) There are only two outcomes

Probability whole shipment is accepted = Prob (X≤3)

=0.9885

Hence almost all shipments would be accepted.

4 0

2 years ago

Help pls haha also Merry Christmas

MArishka [77]

Answer:

x = √39

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Trigonometry

[Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

Step 1: Identify

Leg a = x

Leg b = 5

Hypotenuse c = 8

Step 2: Solve for x

Substitute [PT]: x² + 5² = 8²
Isolate x term: x² = 8² - 5²
Exponents: x² = 64 - 25
Subtract: x² = 39
Isolate x: x = √39

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2 years ago

Read 2 more answers

Help me please due in 30 minutes !

scoundrel [369]

Answer:

Step-by-step explanation:

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2 years ago

Does the equation I = 3 represent a function? Choose one option from each drop-down menu to explain your answer. For an equation

Inga [223]

Answer: x=3 isn't a function because multiple different inputs have the same outputs

Step-by-step explanation:

I dont know how to answer the first question since the dropdown is shown

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2 years ago