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babunello [35]
3 years ago
11

56 equals -10+ 2X what is 56 equals -10+ 2X what is X

Mathematics
1 answer:
morpeh [17]3 years ago
4 0

Answer:

x=33

Step-by-step explanation:

56=-10+2x

56+10=66

66=2x

66/2=33

33=x

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HELP! PLEASE! I really need help with this question!
LekaFEV [45]

Answer:

They are at the same height at 1.13 seconds.

Step-by-step explanation:

Remark

The rockets are at the same height when  f(x) = g(x) [see below] are the same. So you can equate them.

Givens

f(x) = - 16x^2 + 74x + 9

g(x) = -16x^2 + 82x              I have changed this so you don't have 2 f(x)s

Solution

  • f(x) = g(x)
  • -16x^2 + 74x + 9 = -16x^2 + 82x                        Add:  16x^2 to both sides
  • -16x^2+16x^2+74x + 9 = -16x^2+16x^2 + 82x   Combine terms
  • 74x + 9 = 82x                                                     Subtract 74x from both sides
  • 74x - 74x + 9 = 82x - 74x                                  Combine
  • 9 = 8x                                                                 Divide by 8
  • 9/8 = 8x/8
  • x = 1 1/8                                                              Convert to decimal
  • x = 1.125
  • x = 1.13  [rounded]


6 0
3 years ago
Does anyone know the answer to the pic shown above?
Ganezh [65]

Answer:

-1 is the answer

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is 7 times the sum of a squared and b minus 4 times the sum of a squared and b
spayn [35]
<span><span>The sum of a squared and b is given by
a^2+b

</span>7 times the sum of a squared and b is given by
</span><span>7(a^2+b)
while 4 times the sum of a squared and b is given by
</span>4(a^2+b)

Therefore, <span>7 times the sum of a squared and b minus 4 times the sum of a squared and b is given by

7(a^2+b)-4(a^2+b)=3(a^2+b)</span>
7 0
3 years ago
The table shows the concentration of a reactant in the reaction mixture over a period of time.
saveliy_v [14]
<h3>Option C</h3><h3>The average rate of the reaction over the entire course of the reaction is: 2.0 \times 10^{-3}</h3>

<em><u>Solution:</u></em>

Average rate is the ratio of concentration change to the time taken for the change

Average\ rate = \frac{ \triangle c }{\triangle t }

The concentration of the reactants changes 1.8 M to 0.6 M

here, the time interval given is 0 to 580 sec

Therefore,

Average\ rate = \frac{1.8-0.6}{580} \\\\Average\ rate = \frac{1.2}{580} \\\\Average\ rate \approx 2.0 \times 10^{-3}

Thus option C is correct

5 0
3 years ago
Please help i have exam tom. ​
Xelga [282]

Answer:

Step-by-step explanation:

this is a simultaneous equation question

f(1)=8  so  a(1) + b = 8

f(4)=17 so a(4) + b = 17

can you figure this out from here ???

if you can't below is how to solve it

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a + b = 8

4a+b=17

multiply the top equation by 4 and then subtract the bottom one from the top

4a+4b = 32

-(4a +b = 17)

3b = 15

b=5

now plug 5 into the first equation

a + 5 = 8

a=3

there you go :)

3 0
3 years ago
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