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Nimfa-mama [501]
3 years ago
11

Can someone please help me

Mathematics
1 answer:
Zina [86]3 years ago
7 0
A. You would use base*height (bh). You would multiply 4 and 5. The answer is 20in.

B. It would be 1/3*bh. The answer would be 6.6.
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Anita burger purchased 14 gallons of gas for $34.72. How much did she pay for each gallon
olga_2 [115]

Step-by-step explanation:

14 gallons bought for $34.72

1 gallon bought for

\frac{34.72}{14}

=$2.48

8 0
3 years ago
Situation:
omeli [17]

The half life of the substance is 6.92 days.

<h3>What is the Half life  ?</h3>

Half life can be defined as the time required to reduce the concentration to half of its initial value.

Here the equation given is

\rm N = N_o e^{-kt}

The concentration will reduce to half therefore

\rm   N= \dfrac{N_o}{2}

so,

\rm 39/2 = 39  e^{- 0.1001 * t_{1/2}}

ln 0.5 = - 0.1001 * t(1/2)

-0.693 = -.1001 * t(1/2)

t(1/2) = 6.92 days.

Therefore the half life of the substance is 6.92 days.

To know more about Half Life

brainly.com/question/24710827

#SPJ1

4 0
1 year ago
Thats my question down there mates
Law Incorporation [45]

Answer:

x = 9

Step-by-step explanation:

A line segment parallel to a side of a triangle and intersecting the other 2 sides divides the 2 sides in proportion, that is

\frac{9}{72} = \frac{1}{8} = \frac{3x-20}{56} ( cross-  multiply )

8(3x - 20) = 56

24x - 160 = 56 ( add 160 to both sides )

24x = 216 ( divide both sides by 24 )

x = 9

7 0
3 years ago
Read 2 more answers
Line segment BD is a diameter of circle E. What is the measure of arc ?
DIA [1.3K]

Answer:

78

Step-by-step explanation:

Ed2020

6 0
3 years ago
Read 2 more answers
Count by tens and ones to find the sum.use the number line to show your thinking 86.
mojhsa [17]
To get to 86 by only using 10's and 1's you count by 10, 8 times and count by 1, 6 times.
5 0
3 years ago
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