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3 years ago

Do the attachment for points, and actually write the good answer

Mathematics

1 answer:

deff fn [24]3 years ago

5 0

Answer:

0.75

Step-by-step explanation:

if you divide 100 by 4 you get 25 so 25 is 1/4 so 25 times 3 gets 0.75 out of 100

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What’s the answer for the 1st problem

katrin [286]

The answer is x is less than 8

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3 years ago

Read 2 more answers

Determine the period

aleksandrvk [35]

Answer:

16 units

Step-by-step explanation:

period = length of an interval that contains exactly one copy of the repeating pattern, so from one peak to another peak.

in this graph its the peaks are 1 and 17, hence the period is 16

6 0

2 years ago

Situation A

Colt1911 [192]

The equation a = 100 + 75d represents Maria's account balance.

Step-by-step explanation:

Given that,

Maria opened a new savings account with an initial deposit of $100.
She deposits $75 into this savings account every two-weeks.

You need to find the equation to represent Maria's account balance, a after she has completed d deposits.

Let 'd' be the number of deposits Maria made after the initial deposit.
Let 'a' be the total account balance after 'd' deposits.

Therefore, the equation for the total account balance can be framed as the sum of the initial deposit and amount deposited after that.

To find the amount that was deposited after the initial deposit :

⇒ $75 × number of times Maria deposited.

⇒ 75 × d

The equation is written as,

⇒ a = 100 + 75d

Hence the equation a = 100 + 75d represents Maria's account balance.

7 0

3 years ago

GJ is a midsegment of triangle DEF, and HK is a midsegment of triangle GFJ. What is the length of HK?

loris [4]

Answer:

Option B) 4 centimeters

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the value of n

we know that

a) GJ is a midsegment of triangle DEF

then

G is the midpoint segment DF and J is the midpoint segment EF

DG=GF and EJ=JF

b) HK is a midsegment of triangle GFJ

then

H is the midpoint segment GF and K is the midpoint segment JF

GH=HF and JK=KF

In this problem we have

HF=7 cm

GH=7 cm

GF=GH+HF ----> by addition segment postulate

GF=7+7=14 cm

Remember that

DG=GF

substitute the given values

$2n-1=14$

solve for n

$2n=14+1$

$2n=15$

$n=7.5\ cm$

step 2

Find the length of GJ

we know that

The Midpoint Theorem states that the segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side

$GJ=\frac{1}{2}DE$

we have

$GE=2n+1=2(7.5)+1=16\ cm$

substitute

$GJ=\frac{1}{2}16=8\ cm$

step 3

Find the length of HK

we have that

$HK=\frac{1}{2}GJ$ ----> by the midpoint theorem

we have

$GJ=8\ cm$

substitute

$HK=\frac{1}{2}8=4\ cm$

7 0

3 years ago

Two sixth-grade classes are collecting money to buy a present for one of their teachers. One class collected $30.25. About how m

zavuch27 [327]

If they only have 30.25, then they still need 39.50

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3 years ago