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3 years ago

I NEED HELP ASAP ! PLS!

Mathematics

2 answers:

snow_lady [41]3 years ago

7 0

Your welcome person you get brainliest

amm18123 years ago

5 0

Answer:

x = 106°

Step-by-step explanation:

sum of interior opposite angles of a triangular is equal to a exterior angle

= x +22= 40 +88

= x = 128- 22

x = 106 °

hope this answers will be helpful for you and plzzz mark my answer as brainlist plzzzz vote me also.....

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Is 0.23 a rational number? Choose the best explanation.

Shtirlitz [24]

Answer:

no because .23 is not a whole number is the best choice

Step-by-step explanation:

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3 years ago

Read 2 more answers

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Alekssandra [29.7K]

Answer: b=27

Step-by-step explanation: Add 119+34 and you get 153. Subtract 153 from 180 and you get 27. Hope this helps.

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3 years ago

A stereo costs $320. in a sale it is reduced by 25% what is the sale price

Rudiy27

First, set up a proportion to find the reduction in price. 25/100=x/320. Cross multiply to get 8000=100x. Divide by 100 on both sides to get x=80. That's the reduction in price. Subtract from the total to find the new price 320-80=$240

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3 years ago

Parents wish to have $80,000 available for a child's education. If the child is now 5 years old, how much money must be set asid

Ludmilka [50]

Answer: $27,602.60

Step-by-step explanation:

if the kid is 5 years old, there are 13 years left until he is 18.

Now, suppose that the parents set aside an amount A of money in the account.

As the interest is compounded semiannually is compounded two times per year.

The equation that models this situation is:

M(n) = A*(1 + p/(c*100%))^(c*n)

where:

n is our variable, in this case, years.

p is the percentage, in this case, 6%

n is the number of compounds in one unit of the variable, in this case, we have 2.

A is the initial amount, this is the thing we want to find.

Then our equation will be:

M(n) = A*(1 + 6%/(2*%100))^(2*n)

= A*(1 + 0.03)^(2*n) = A*(1.03)^(2n)

And we want that this is equal to $80,000 when n = 13 (remember that when n = 13, the child will be 18 years old)

M(13) = A*(1.03)^(2*18) = $80,000

A = $80,000/((1.03)^(2*18)) = $27,602.60

Then they should deposit $27,602.60 now to meet their financial goal when the child is 18.

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3 years ago

Relationship B has a greater rate than Relationship A. This graph represents Relationship A.

r-ruslan [8.4K]

The second table could represent relationship B.

Step-by-step explanation:

Step 1:

The tables give a relationship between the growth of a plant and the number of weeks it took.

To determine the rate of each table, we determine the growth of the plant in a single week.

The growth rate in a week = $\frac{Difference in height}{time taken}$ .

Step 2:

For the given graph, the points are (4, 3) and (8, 6).

The growth rate in a week = $\frac{Difference in height}{time taken} = \frac{6-3}{8-4}=\frac{3}{4} = 0.75.$

So the growth rate for relationship A is 0.75.

Step 3:

Now we calculate the growth rates of the given tables.

Table 1's growth rate in a week = $\frac{Difference in height}{time taken} = \frac{3-1.2}{5-2}=\frac{1.8}{3} = 0.6.$

Table 2's growth rate in a week = $\frac{Difference in height}{time taken} = \frac{4-1.6}{5-2}=\frac{2.4}{3} = 0.8.$

Table 3's growth rate in a week = $\frac{Difference in height}{time taken} = \frac{2-1.5}{4-3}=\frac{0.5}{1} =0.5.$

Table 4's growth rate in a week = $\frac{Difference in height}{time taken} = \frac{3.5-1.4}{5-2}=\frac{2.1}{3} = 0.7.$

Since relationship B has a greater rate than A, Table 2 is relationship B.

3 0

3 years ago