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quester [9]
2 years ago
15

X² + 6x = 7 Can u please tell me the answer I need it fast

Mathematics
2 answers:
balandron [24]2 years ago
4 0
The first x=1
the second x=-7
mrs_skeptik [129]2 years ago
4 0
The answer is in the photo

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A fireworks display is launched from a platform 10 feet above ground with an initial upward velocity of 70 feet per second. The
Lena [83]

Answer: A. 87 feet


Step-by-step explanation:

1. You can find the t value of the vertex of the parabola as following:

t=-\frac{b}{2a}

2. Substitute values:

a=-16

b=70

Then:

 t=-\frac{70}{2(-16}

t=2.18

3. Substitute the vaue obtained into the equation given in the problem. Therefore, you obtain the following result:

h=-16t^{2}+70t+10\\h=-16(2.18)^{2}+70(2.18)+10\\h=86.56

4. To the nearest foot:

h=87 feet

6 0
2 years ago
your order comes in for new protective eye wear. you order five and a half dozen. how many individual protective eye wear should
Serga [27]
 You should have received  33 pairs of protective eyewear

To Check This:
1 dozen = 12
1/2 dozen = 6
5 dozen = 60

12x5=60+6=66
66 / 2 = 33 because a pair equals 2
4 0
3 years ago
Mrs. Reeves has 20 identical boxes. She knows that she has 2 boxes of pens, 10 boxes of paper, 2 boxes of crayons, and 6 box3es
Inessa05 [86]

Answer:

3/10

Step-by-step explanation:

Probability box opened is glue = number of boxes that contain glue / total number of boxes

6/20

To transform to the simplest form. divide both the numerator and the denominator by 2

3/10

8 0
1 year ago
Joshua sells a pack of pens for $3.15, which is 5 percent more than he pays for them. Which equation will help find x, the amoun
vesna_86 [32]

Answer:

C.  

x + 0.05x = 3.15, which has one solution

Step-by-step explanation:

Let x = the price Joshua pays for the pack of pens

He add 5% (=.05 in decimal form)

That is x* .05

The new cost is 3.15

x+.05x = 3.15

This will have one solution

3 0
3 years ago
Read 2 more answers
You and two friends buy snacks for a field trip. Using the
stepladder [879]

Answer:

13.15

Step-by-step explanation:

7 0
2 years ago
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