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ryzh [129]
3 years ago
11

If f(x) = -3, then x = _____ .

Mathematics
1 answer:
katovenus [111]3 years ago
6 0

Answer:

x = -5

Step-by-step explanation:

f(x) is the same thing as y. so when y=-3, find that point and the x is -5

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The area of the large rectangle is twice the area of the small rectangle. What is the value of x?Two rectangles are shown. The l
kupik [55]

Answer:

B. 8 cm.

Step-by-step explanation:

The area of a rectangle is the length*width.

The area of the larger rectangle is 4*12=48.

The area of the smaller rectangle is 3*x=3x.

If the larger rectangle's area is twice that of the smaller rectangle, then we can say 48=2*3x.

Let's solve for x

48=2*3x

48=6x

x=8

3 0
3 years ago
given that 8-sqrt(18) over sqrt(2) = a + b sqrt(2) where a and b are integers find the value of a and b
Novay_Z [31]

Answer:

a = - 3 and b = 4

Step-by-step explanation:

Given

\frac{8-\sqrt{18} }{\sqrt{2} }

Simplify \sqrt{18}

= \sqrt{9(2)} = \sqrt{9} × \sqrt{2} = 3\sqrt{2}

Thus expression can be written as

\frac{8-3\sqrt{2} }{\sqrt{2} }

Multiply numerator/denominator by \sqrt{2}

noting that \sqrt{2} × \sqrt{2} = 2

= \frac{\sqrt{2}(8-3\sqrt{2})  }{\sqrt{2}(\sqrt{2})  }

= \frac{8\sqrt{2}-6 }{2}

Dividing each term on the numerator by 2

= 4\sqrt{2} - 3

= - 3 + 4\sqrt{2}

with a = - 3 and b = 4

6 0
3 years ago
Read 2 more answers
Two points in a transformation are J'(-2, 5) and J'(0, 4). which of the following translations was used?
dalvyx [7]
The answer is a-(x+2, y-1)
8 0
3 years ago
In hopes of encouraging healthier snacks at school, Bert brought in a tray of carrot sticks and apple slices to share. He brough
Oksi-84 [34.3K]

Answer:

40 %  of the snacks were carrot sticks.

Step-by-step explanation:

Total number of carrot sticks in lunch = 18

Total number of apple slices in lunch = 27

So, Total Snacks in the Lunch = Carrot Sticks + Apple Slices

                                                  = 18 +  27 = 45

Now,

=

⇒Percentage of Carrot Sticks = 40%

Hence, 40 %  of the snacks were carrot sticks.

4 0
3 years ago
5-x=3 work out the value of 3x squared
kati45 [8]

Answer:

z0mb13br41n5f1r3k1ng

Step-by-step explanation:

answer is 2

8 0
3 years ago
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