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3 years ago

12

-5.5x+0.56= -1.64 What does x equal to ?

1 answer:

RUDIKE [14]3 years ago

5 0

-5.5x+0.56= -1.64 -0.56 -0.56 -5.5x= -2.2 /5.5 /5.5 x= -0.4 is the answer

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5y+33+6y into distributive property

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Answer : 44y. Put why because it’s repeated

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3 years ago

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Help with #12, 13, 14, 15! I will mark u as brainliest answer

son4ous [18]

12) LCM of 2 & 12 is 12
Answer: (F)

13) (25 x 8) x 4
Step 1: Order of operations do parenthesis first: (25 x 8) = 200
Step 2: Multiply: 200 x 4 = 800
Answer: 800

14) I would plug each value in to see which works
D) 10x + 5y = 10(6) + 5(9) = 60 + 45 = 105

Answer is (D)

15) 2 x 12 - 8 (divided by) 2^2
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4 years ago

How would I do 4x+45=3x+61

Pavel [41]

Answer:x=16

Step-by-step explanation:

4x+45=3x+61

Collect like terms

4x-3x=61-45

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3 years ago

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Please help, I need input on if I did this correctly and you just substitute.

kow [346]

The value of h(t) when $t=\frac{15}{32}$ is 10.02.

Solution:

Given function $h(t)=-16t^2+15t+6.5$

To find the value of h(t) when $t=\frac{15}{32}$ :

$h(t)=-16t^2+15t+6.5$

Substitute $t=\frac{15}{32}$ in the given function.

$$h\left(\frac{15}{32} \right)=-16\left(\frac{15}{32} \right)^2+15\left(\frac{15}{32} \right)+6.5$

$$=-16\left(\frac{225}{1024} \right)+15\left(\frac{15}{32} \right)+6.5$

Now multiply the common terms into inside the bracket.

$$=-\left(\frac{3600}{1024} \right)+\left(\frac{225}{32} \right)+6.5$

Now, in the first term, the numerator and denominator both have common factor 16. So reduce the first term into the lowest term.

$$=-\left(\frac{225}{64} \right)+\left(\frac{225}{32} \right)+6.5$

To make the denominator same, take LCM of the denominators.

LCM of 64 and 32 = 64

$$=-\left(\frac{225}{64} \right)+\left(\frac{225\times2}{32\times2} \right)+6.5\times\frac{64}{64}$

$$=-\frac{225}{64} +\frac{450}{64}+\frac{416}{64}$

$$=\frac{-225+450+416}{64}$

$$=\frac{641}{64}$

= 10.02

$$h\left(\frac{15}{32} \right)=10.02$

Hence the value of h(t) when $t=\frac{15}{32}$ is 10.02.

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3 years ago

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Dafna11 [192]

Answer: (c) y<=-x+4

The area is shaded UNDER the boundary line, hence "<"

The boundary is plotted as solid line, hence "="

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