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katen-ka-za [31]
2 years ago
12

Help me with questions 5 and 7 please show your work !

Mathematics
1 answer:
seraphim [82]2 years ago
7 0

Answer:

5) x = 77

7) b = 210

Step-by-step explanation:

5) 11 = X/7

multiply both sides by 7. doing this gets rid of the 7 on the right side of the equation.

(7)(11) = x

77 = x

7) 14 = b/15

same thing as above! multiply both sides by 15.

(15)(14) = b

210 = b

Hope this helps you!

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2) f(x) = x² **<br> g(x)= 3x – 2<br> Find f(g(-4)
Usimov [2.4K]

Answer:

f(g( - 4)) = 196

Step-by-step explanation:

The functions are;

f(x) =  {x}^{2}

and

g(x) = 3x - 2

We want to find

f(g( - 4))

First we find g(-4) to get:

g( - 4) = 3 \times  - 4 - 2

g( - 4) =  - 12- 2

g( - 4) =  - 14

Now

f(g( - 4)) = f( - 14)

This implies that,

f(g( - 4)) = {( - 14)}^{2}

f(g( - 4)) = {( - 14)} \times  - 14

f(g( - 4)) = 196

6 0
3 years ago
Which number line model shows 8 x 1/2
77julia77 [94]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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__ x 5 &gt; 5 <br><br> 3/3 <br> 2/3<br> 5/3
Citrus2011 [14]
_ * 5 > 5

3/3 is equal to 1 which would make them equal to each other.
2/3 is less than one which means it would make the number on the left less than 5, not greater than.
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Prism Volume answer from computer software.
photoshop1234 [79]
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6 0
3 years ago
Pls help with this question please
Marina86 [1]

Answer:

x=8

Step-by-step explanation:

<h3><u>G</u><u>i</u><u>v</u><u>e</u><u>n</u><u>:</u><u>-</u></h3>

RS=28

RT=3x+4

<h3><u>T</u><u>o</u><u> </u><u>F</u><u>i</u><u>n</u><u>d</u><u>:</u><u>-</u></h3>

<u>Solve</u><u> </u><u>for</u><u> </u><u>x</u><u>.</u>

<h3><u>According</u><u> </u><u>to</u><u> </u><u>question</u><u>:</u><u>-</u></h3>

<h3>=>RS = RT</h3>

[Tangent of same circle are equal]

=>3x+4=28

=>3x=28-4

=>3x=24

=>x=\frac{24}{3}

<h3>=>x=8</h3>

<h3><u>The</u><u> </u><u>value</u><u> </u><u>of</u><u> </u><u>x</u><u> </u><u>is</u><u> </u><u>8</u><u>.</u></h3>

5 0
3 years ago
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