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9966 [12]
3 years ago
7

Can you please help please please help me with this question is so hard and i will give you a Brainiest please

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
7 0

Question 1 :

x ≤ 4

Question 2:

i think its 40-5

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What's the first step of solving -x^2-4x+16=0 ??? NOW!
MaRussiya [10]

Answer:

Step-by-step explanation:

Use the Quadratic Formula.

-x² - 4x + 16 = 0

x = [4±√(4²-4(-1)(16)]/[2(-1)] = [4±√80]/(-2) = [4±4√5]/(-2) = -2±2√5

5 0
2 years ago
Circle the volume in cm^3 of a cylinder with the radius 5cm and height 8cm
Phantasy [73]

Answer:

<em>628 </em>cm^{3}

Step-by-step explanation:

Since the formula to find the volume of a cylinder is \pi r^{2}h, we just need to fill things in.

Since the radius is 5 and the height is 8 and we know that pi=3.14, our new equation is:

3.14*5^2*8.

5*5=25. Now we simplify.

3.14 * 25 * 8

78.5 * 8

<em>628 </em>cm^{3}

Hope this helps!! <3 :)

6 0
3 years ago
Read 2 more answers
Emily brought 48 yards of fabric to make curtains. How many inches of fabric did Emily buy?
marishachu [46]
1728 is the correct answer 
8 0
3 years ago
If Michele had scored 27 more points in the contest, she would have come in first with a score of 279 points. What was her score
Scrat [10]
Michele’s score was 252
5 0
3 years ago
Read 2 more answers
Martin solved an equation, as shown below: Step 1: 19v = 76 Step 2: v = 76 - 19 Step 3: v =57 Part A: Is Martin's answer correct
Lubov Fominskaja [6]

Answer:

A. incorrect. He has to divide 76 by 19, instead of subtract 19 to 76.

B. This equation has one solution. v=4

Step-by-step explanation:

Hi, Martin’s answer is incorrect.

A. He has to divide 76 by 19, instead of subtract 19 to 76.

The correct steps are:

19v = 76  

Since 19 is multiplying the variable, to eliminate it we have to divide by 19.

v = 76/19

v = 4

B. This equation has one solution. It’s v=4

Feel free to ask for more if needed or if you did not understand something.

4 0
3 years ago
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