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3 years ago

I tried but kept getting it wrong ;-;Find the area of the composite figure.

Mathematics

1 answer:

Aneli [31]3 years ago

7 0

<15> and <10> add first 25 <25> and 5 add second 30 <30> and 7 add third 37 <37> and 6 <6> now add that an u get <43> thats ur answer :)

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The mean length of 7 planks of wood is 1.35m. When an extra plank of wood is added, the mean length of a plank of wood increase

azamat

Answer: Hello There!................

Mean = Sum of observation / total number of observation

Mean = 1.35m

1.35 = Sum of length of 7 wood planks/ 7

1.35*7 = Sum of the length of 7 wood planks

9.45 = Sum of the length of 7 wood planks

Let the length of extra added wood plank = x

So,

(Sum of the length of 7 wood planks + x) / 8 = 1.4m

(9.45 + x) / 8 = 1.4

9.45 + x = 1.4 * 8

9.45 + x = 11.2

x = 11.2- 9.45

= 1.75

So,

The length of extra added wood plank = 1.75m

Step-by-step explanation:

Mark me brainest please. Hope this helps. Anna ♥

6 0

3 years ago

PLEASE HELP!! No Bots!!! ASAP

Hunter-Best [27]

The answer is B (Sorry for the bad handwriting.)

6 0

3 years ago

Solve a triangle when A=15° B=113° and b=7?

JulsSmile [24]

Let us draw a triangle ABC with A=15° ,B=113° and b=7.

Please see the attached image.

We know that the sum of interior angles of a triangle is 180 degrees. Thus, we have

$A+B+C=180\\
\\
15+113+C= 180\\
\\
C=62^{\circ}$

Apply Sine rule in the triangle ABC, we get

$\frac{a}{\sin 15}= \frac{7}{\sin 113}\\
\\
a=\frac{7 \sin 15}{\sin 113}\\
\\
a=1.97\\
\\
\text{Again apply sine rule, we get}\\
\\
\frac{c}{\sin 62}= \frac{7}{\sin 113}\\
\\
c=\frac{7 \sin 62}{\sin 113}\\
\\
c=6.71$

Therefore, we have

$a=1.97\\
c=6.71\\
C=62^{\circ}$

4 0

4 years ago

10) Use the graph below: What percent of strikeouts is Samar responsible 10 pointsfor?BASEBALL STRIKEOUTSCARLOSPITCHERYUSAMARJUS

JulsSmile [24]

First let's find out the total number of strikeouts, by adding the number of strikeouts of each person:

$\text{total}=13+9+5+11+8+4=50$

Now, to find the percentage of strikeouts that Samar is responsible, let's divide his number of strikeouts (5) by the total number of strikeouts (50):

$\frac{5}{50}=\frac{1}{10}=\frac{10}{100}=10\text{\%}$

So Samar is responsible for 10% of the strikeouts.

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1 year ago

Write the expression using a single exponent.<br> –4^4(4^7)

Veronika [31]

Answer:

-4096(16384)

67,108,864

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

I tried but kept getting it wrong ;-;Find the area of the composite figure.​

I tried but kept getting it wrong ;-;Find the area of the composite figure.