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faltersainse [42]
3 years ago
13

I will mark u as the brainiest if u get this correct

Mathematics
1 answer:
posledela3 years ago
7 0

Answer:

5.8

Step-by-step explanation:

Let's use the area formula, a=\frac{1}{2} bh

our base is 4.6cm, so b=4.6

our height is 2.5cm, so h=2.5

plug this in for our <em>b </em>and <em>h</em>

<em />a=\frac{1}{2} 4.6(2.5)<em>, </em>multiply the 4.6 by the 2.5 and you get 11.5

a=1/2*11.5,   multiply and we get

a= 5.75,    rounding our answer to 1 decimal would give us,

a=5.8

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(fog)(x). F(x)=3x, g(x)=x+7
ivann1987 [24]

For this case we have the following functions:

f (x) = 3x\\g (x) = x + 7

We must find (f_ {0} g) (x). By definition we have to:

(f_ {0} g) (x) = f (g (x))

So:

f (g (x)) = 3 (x + 7) = 3x + 3 * 7 = 3x + 21

Finally, the composite function is:

(f_ {0} g) (x) = 3x + 21

Answer:

(f_ {0} g) (x) = 3x + 21

4 0
3 years ago
Sam raked 3 bags of leaves in 18 minutes. If he continues to work at the same rate, how long will it take him to rake 7 bags of
DedPeter [7]

Answer:

Step-by-step explanation:

hope it helps make brainliest

5 0
3 years ago
Read 2 more answers
The students in Steven's class got to choose between pizza and burgers for the
Rainbow [258]
Answer:
95% picked pizza
Step-by-step explanation:
We can get this answer by following a few different steps. Firstly, we need the total amount of students. We get this number by adding the amount of students who wanted pizza (19 students) and the amount of students who wanted burgers (1 student). When we add those we get the total number of students, which is 20. Now, we can set up a fraction to see what amount of students out of the total number of students wanted pizza.
This would be 19/20
Now, you plug this in your calculator and will get 0.95
To turn this, or any other decimal, into a percentage you multiply by 100%.
So, multiply 0.95 x 100% = 95%

Hope this helps :)
4 0
3 years ago
What is inequalities?<br> What is the form?
SIZIF [17.4K]

Answer: In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. It is used most often to compare two numbers on the number line by their size

Step-by-step explanation:

3 0
3 years ago
If a normal distribution has a mean of 62 and a standard deviation of 12 what is the z-score for a value of 80
kap26 [50]

Answer with explanation:

\text{Mean}=\mu = 62\\\\ \text{standard deviation}=\sigma=12\\\\ \bar X=80\\\\Z_{score}=\frac{\bar X -\mu}{\sigma}\\\\Z_{score}=\frac{80-62}{12}\\\\Z_{score}=\frac{18}{12}\\\\Z_{score}=1.5

Option B:→ 1.5

3 0
3 years ago
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