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Marta_Voda [28]
2 years ago
8

Yes or no math questions giving brainlest

Mathematics
1 answer:
dem82 [27]2 years ago
3 0

Answer:

Problem 8 is No and Problem 9 is Yes

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Solve the following system: <br> 3x + 2y = 7 <br> -4.5x - 3y = -10.5
valentina_108 [34]

Answer:

<u>infinitely many solutions</u>

Step-by-step explanation:

The system of equations :

  1. 3x + 2y = 7
  2. -4.5x - 3y = -10.5

Multiplying Equation 1 times 3 and Equation 2 times 2 :

  • 9x + 6y = 21
  • -9x - 6y = -21

Putting the equations in standard form after simplifying :

  1. 6y = -9x + 21 ⇒ <u>y = -1.5x + 3.5</u>
  2. -6y = 9x - 21 ⇒ <u>y = -1.5x + 3.5</u>

<u />

As both equations are the same, the system will have <u>infinitely many solutions</u>.

4 0
2 years ago
You have a monthly budget percentage of 5% for marketing your projected sales for the month of March are $300,000 what is the am
fgiga [73]

Answer:

<u>$15,000</u> is the amount to spend on marketing in the month of March.

Step-by-step explanation:

Given:

You have a monthly budget percentage of 5% for marketing.

Your projected sales for the month of March are $300,000.

Now, to find the amount spend on marketing:

Rate of marketing = 5%.

Projected sales for the month of March = $300,000.

Now, to get the amount spend on marketing in March:

<u><em>5% of $300,000.</em></u>

=\frac{5}{100} \times 300,000

=0.05\times 300,000

=15,000.

Therefore, $15,000 is the amount to spend on marketing in the month of March.

7 0
3 years ago
Plsss help!! It’s due In 1 min plsss helppp !!!
Archy [21]

Answer:

55(?)

Step-by-step explanation:

I think it’s correct

4 0
3 years ago
Which of the following sets of values correctly completes the t-chart for the equation y = 2x2 - 1.
natali 33 [55]

Answer:

The sets of values that correctly completes the t-chart are:

7, -1, 7

Hence, option B is true.

Step-by-step explanation:

Given the equation

y = 2x² - 1

FOR x = -2

substitute x = -2 in the equation

y = 2x² - 1

y = 2(-2)² - 1

y = 8 - 1

y = 7

FOR x = 0

substitute x = 0 in the equation

y = 2x² - 1

y = 2(0)² - 1

y = -1

FOR x = 2

substitute x = 2 in the equation

y = 2x² - 1

y = 2(2)² - 1

y = 8 - 1

y = 7

Thus, the t-chart becomes:

x              y

-2            7

0             -1

2              7

Thus, the sets of values that correctly completes the t-chart are:

7, -1, 7

Hence, option B is true.

7 0
3 years ago
What is 2*16 plz help
Kisachek [45]

Answer:

32

Step-by-step explanation:

16*2=32

8*4=32

4 0
3 years ago
Read 2 more answers
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