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3 years ago

(QUICK RESPONSE!!!) Which graph shows the solution set for 2 x + 3 greater-than negative 9?

Mathematics

1 answer:

iris [78.8K]3 years ago

6 0

Answer:

It's the last answer choice

Step-by-step explanation:

2x+3> -9

2x+3-3> -9-3

2x> -12

2x/2> -12/2

x> -6

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How many milliliters of syrup are in a 100-ml sample containing 6.55 g of syrup per 20 mL if the syrup's specific gravity is 1.3

sashaice [31]

Answer:

25 milliliters

Step-by-step explanation:

Given:

volume of sample = 100 ml

Syrup present in sample = 6.55 g per 20 mL

Therefore in 100 mL, amount of syrup present = $\frac{\textup{6.55}}{\textup{20}}\times100$

amount of syrup present in 100 mL sample = 32.75 grams

Now,

Specific gravity of the syrup = 1.31

also,

Specific gravity of the syrup = $\frac{\textup{Density of syrup}}{\textup{Density of water}}$

1.31 = $\frac{\textup{Density of syrup}}{\textup{1 g/mL}}$

Density of syrup = 1.31 g/mL

also,

Density = $\frac{\textup{Mass}}{\textup{Volume}}$

therefore,

1.31 = $\frac{\textup{32.75}}{\textup{Volume of syrup in the sample}}$

Volume of syrup in the sample = $\frac{\textup{32.75}}{\textup{1.31}}$

Volume of syrup in the sample = 25 milliliters

8 0

3 years ago

Solve for x. 6⁢x + 15 = 2

Vladimir [108]

Answer:

-2.167

Step-by-step explanation:

6X = 2-15

6X = -13

X= -13 / 6

4 0

3 years ago

Read 2 more answers

The daily revenues of a cafe near the university are approximately normally distributed. The owner recently collected a random s

lbvjy [14]

Answer:

The sample size to obtain the desired margin of error is 160.

Step-by-step explanation:

The Margin of Error is given as

$MOE=z_{crit}\times\dfrac{\sigma}{\sqrt{n}}$

Rearranging this equation in terms of n gives

$n=\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2$

Now the Margin of Error is reduced by 2 so the new M_2 is given as M/2 so the value of n_2 is calculated as

$n_2=\left[z_{crit}\times \dfrac{\sigma}{M_2}\right]^2\\n_2=\left[z_{crit}\times \dfrac{\sigma}{M/2}\right]^2\\n_2=\left[z_{crit}\times \dfrac{2\sigma}{M}\right]^2\\n_2=2^2\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2\\n_2=4\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2\\n_2=4n$

As n is given as 40 so the new sample size is given as

$n_2=4n\\n_2=4*40\\n_2=160$

So the sample size to obtain the desired margin of error is 160.

4 0

4 years ago

Suppose you have ordered one medium onion ring and one 16oz chocolate shake from Burger King. The onion rings have 19 grams of f

dsp73

Part A:

23 + 13x ≤ 81

Part B:

23 + 13x ≤ 81

-23 -23

13x ≤ 58

/13 /13

x ≤ 4.46

Part C:

This means that you can have 4 cheeseburgers while keeping the fat under 81 grams.

5 0

3 years ago

Y= Help me please thanks

MArishka [77]

The value of y will be equal to 4.61.

<h3>What is trigonometry?</h3>

Trigonometry is the branch of mathematics that set up a relationship between the sides and angle of the right-angle triangles.

The value of y will be calculated by using the Pythagorean theorem:-

a² + a² = (9√2)²

a = 9

Applying angle property in the triangle:-

$tan26 = \dfrac{MK}{9}$

9tan26 = MK

LM = 9 - 9tan26

LM = 9 - 4.38

LM = 4.62

Therefore the value of y will be equal to 4.61.

To know more about Trigonometry follow

brainly.com/question/24349828

#SPJ1

4 0

2 years ago