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laila [671]
3 years ago
7

What the answer? I’m having trouble

Mathematics
1 answer:
pishuonlain [190]3 years ago
8 0

The answer to problem one is the value 96

=============================================

Explanation:

(g o h)(-7) is the same as g(h(-7))

We need to find the value of h(-7)

h(t) = t^2+1

h(-7) = (-7)^2+1 ... replace t with -7

h(-7) = 50

g(h(-7)) turns into g(50) after we replace "h(-7)" with "50"

Now compute g(50)

g(t) = 2t-4

g(50) = 2*50-4

g(50) = 96

So because g(50) is the same as g(h(-7)), this means g(h(-7)) = 96

Since (g o h)(-7) is the same as g(h(-7)), this means (g o h)(-7) = 96

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umka21 [38]
Whenever you are graphing an inequality,

< or > means the line is dotted
≤ or ≥ means the line is full and complete

The equation is x ≤ 3 so the answer is either A or B


x ≤ 3 means that x is less than or equal to 3, so the part that is shaded blue is supposed to be 3 and below.

The answer is A
6 0
3 years ago
Read 2 more answers
Expression 1:
e-lub [12.9K]
1. Did it mentally think it’s 16. Make sure to yield to order of operations.
2. Because none of the operations are multiplication or division, parenthesis can be put anywhere that isn’t between exponents and it will yield 22.
7 0
3 years ago
Lisa's test grades are 79, 89, and 90. there will be one more test this year. if lisa wants her test average to be at least 88,
erik [133]
For this case, what we are going to do first is to assume that all the exams are worth the same percentage of the final grade.
 We have then that Lisa's average grade point equation is:
 88 =  \frac{79 + 89 + 90 + x}{4}
 Where,
 x: minimum note that lisa must obtain in the last exam.
 Clearing x we have:
 x = (88 * 4) - (79 + 89 + 90)&#10;&#10;x = 94
 Answer:
 
the lowest grade she can get on her last test is:
 
x = 94
5 0
3 years ago
Ugh need help with this
almond37 [142]
-9x - 2
-9 (7) - 2
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7 0
3 years ago
Read 2 more answers
The result of which expression will best estimate the actual product
prisoha [69]

Answer:

The answer is,

(-1) \times \frac {1}{2} \times (-1) \times (1)

Step-by-step explanation:

The given product is,

\frac {-4}{5} \times \frac{3}{5} \times \frac{-6}{7} \times \frac {5}{6}

= \frac {12}{35}

\simeq 0.3429 ---------------------(1)

Now, the first product to compare is,

(-1) \times \frac {1}{4} \times (-1) \times (-1)

= - 0.25 ----------------------------(2)

The second product to compare is,

(-1) \times \frac {1}{2} \times (-1) \times (1)

= 0.5 ------------------------(3)

The 3rd product to compare is,

\frac {-4}{2} \times \frac {3}{2} \times \frac{-2}{5} \times \frac {5}{2}

= 3 ----------------------------(4)

The 4th product to compare is,

\frac {-3}{4} \times \frac {-3}{4} \times \frac {-1}{5} \times \frac {1}{2}

= \frac {-9}{160}

= 0.05625 -----------------(5)

Comparing all the values , we get (3) is closest to (1).

Hence, we get, the answer is,

(-1) \times \frac {1}{2} \times (-1) \times (1)

3 0
3 years ago
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