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3 years ago

ILL GIVE BRAINELIST PLZZZZZ!!! DUE TODAY!!!

Mathematics

1 answer:

yulyashka [42]3 years ago

3 0

Answer:
Im sorry but there’s nothing on the pic

Explanation: try reposting this question

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At a pet store, Davina counted 12 parrots out of 20 birds. Which is an equivalent ratio of parrots to birds at the pet store?

vlada-n [284]

The answer would be D

5 0

3 years ago

Find y if the line through (3, 1) and (9, y) has a slope of 4.

klio [65]

Answer:

y = 25

Step-by-step explanation:

To find slope, we use this expression: $\frac{y2-y1}{x2-x1}$

Since we already know the slope and are trying to figure out a y-value, we can input all of the values we do know in the expression and solve for the missing y.

$\frac{y-1}{9-3}$ =4

Simplify the denominator: $\frac{y-1}{6}$ =4

Multiply both sides by 6 to isolate the y - 1: y - 1 = 24

Add 1 to both sides to isolate the y: y = 25

y = 25

7 0

3 years ago

Order each set of numbers from greatest to least square root 43, 3.6, -3 square root 2?

Alekssandra [29.7K]

√(43) = 6.55.
-3√(2) = -4.24...

√(43) > 3.6 > -3√(2)

4 0

4 years ago

Find the solution set for 8x - 3 = 2(x - 1/2)

KiRa [710]

Answer:

x = 1/3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

8x - 3 = 2(x - 1/2)

Step 2: Solve for x

Distributive 2: 8x - 3 = 2x - 1
Subtract 2x on both sides: 6x - 3 = -1
Add 3 to both sides: 6x = 2
Divide 6 on both sides: x = 1/3

4 0

3 years ago

What is the true solution to the equation below? 2 in e in2×-in e in 10×= in 30 A x=30 B x=75 C x=150 D x=300

hodyreva [135]

Answer:

Option B.

Step-by-step explanation:

Let as consider the given equation:

$2\ln e^{\ln 2x}-\ln e^{\ln 10x}=\ln 30$

It can be written as

$2(\ln 2x)-(\ln 10x)=\ln 30$ $[\because \ln e^a=a]$

$\ln (2x)^2-(\ln 10x)=\ln 30$ $[\because \ln a^b=b\ln a]$

$\ln \dfrac{4x^2}{10x}=\ln 30$ $[\because \ln \dfrac{a}{b}=\ln a-\ln b]$

$\ln \dfrac{2x}{5}=\ln 30$

On comparing both sides, we get

$\dfrac{2x}{5}=30$

Multiply both sides by 5.

$2x=150$

Divide both sides by 2.

$x=75$

Therefore, the correct option is B.

7 0

4 years ago