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2 years ago

Pls pls pls pls pls pls pls pls pls

Mathematics

2 answers:

Pavel [41]2 years ago

7 0

Answer: D

Step-by-step explanation: hope it helps can I have brainliest

jolli1 [7]2 years ago

4 0

Answer:

D. 27 9/10

Step-by-step explanation:

4 3/10 x 6 3/10

43/10 x 63/10

2709/100

27 9/10

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An app for your cell phone cost 4.99 but it is discounted 55% off on your birthday if tax is still charged at a rate of 1% what

maksim [4K]

$2.27
4.99x0.55=2.74 off
4.99-2.74=2.25 before tax
2.25x0.01=0.02 tax
2.25+0.02=2.27 total

4 0

3 years ago

Explain what is happening at this step in the solving equation process.

aleksklad [387]

Answer:

1. After solving we get value of x: $\mathbf{x=\frac{6}{11} }$

2. After solving we get value of x: $\mathbf{x=\frac{6}{11} }$

Step-by-step explanation:

We need to Solve the equations.

1. $10 - 6 x = 4 + 5 x$

Step 1: Subtract 5x on both sides

$10 - 6 x-5x = 4 + 5 x-5x\\10-11x=4$

Step 2: Subtract 10 on both sides

$10-11x-10=4-10\\-11x=-6$

Step 3: Divide both sides by -11

$\frac{-11x}{-11}=\frac{-6}{-11}\\x=\frac{6}{11}$

So, after solving we get value of x: $\mathbf{x=\frac{6}{11} }$

2. $7-6x=1+5x$

Step 1: Subtract 5x on both sides

$7 - 6 x-5x = 1 + 5 x-5x\\7-11x=1$

Step 2: Subtract 7 on both sides

$7-11x-7=1-7\\-11x=-6$

Step 3: Divide both sides by -11

$\frac{-11x}{-11}=\frac{-6}{-11}\\x=\frac{6}{11}$

So, after solving we get value of x: $\mathbf{x=\frac{6}{11} }$

5 0

3 years ago

HELP AGAIN :(<br><br> and don't just respond with "ok"

vova2212 [387]

Took a screenshot cause the one sign isn’t on text

5 0

3 years ago

Hiya! Here's my question:

Step2247 [10]

wait i got it!

Since 18 kilograms are 18000 grams, you have

18000/30=600

and

800/30=26.6

So, with 18 kilograms of salt the baker can make exactly 600 batches with no leftovers, while with 800 grams of salt the baker can make 26 batches, with some leftovers.

In fact, 26 batches require

26 x 30 =780

grams of salt, and the remaining

800-780=20

grams of salt are not enought to prepare the next batch

Step-by-step explanation:

5 0

3 years ago

Write an equation of a line perpendicular to<br> y = 2/7x - 5 through (2, -3)

AfilCa [17]

Hi there! :)

Answer:

$\huge\boxed{y = -7/2x + 4}$

Given equation:

y = 2/7x - 5

A perpendicular line will have a slope that is the opposite reciprocal, therefore:

2/7 --> -7/2

Substitute the x and y coordinates of the point given to write an equation in slope-intercept form:

(-3) = -7/2(2) + b

Simplify:

-3 = -7 + b

-3 + 7 = b

b = 4

Rewrite the equation:

y = -7/2x + 4

5 0

4 years ago