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oee [108]
3 years ago
8

Can someone pls pls help me ?

Mathematics
1 answer:
Yakvenalex [24]3 years ago
8 0

9514 1404 393

Answer:

  a = 9 meters

Step-by-step explanation:

The perimeter is the sum of the side lengths:

  28 m = a + 2m + a + 8m

  18 m = 2a . . . . . . . . . . . . . . . . subtract 10m, collect terms

  9 m = a . . . . . . . . . . . . . . . divide by 2

The value of a is 9 meters.

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State weather the triangles are similar .If so write a similarity statement and the postulate theorem you used.The triangles are
emmasim [6.3K]

Answer:

The answer in the procedure

Step-by-step explanation:

we know that

If two triangles are similar, then the ratio of its corresponding sides is equal and its corresponding interior angles are congruent

so

\frac{OK}{ON}=\frac{OJ}{OM}

substitute the values

\frac{3}{4}=\frac{30}{40}

\frac{3}{4}=\frac{3}{4} -----> is true

Therefore

JK is parallel to MN

Triangles OMN and OJK are similar by AA Similarity Postulate ( The three interior angles are congruent)

Because

m<OKJ=m<ONM ----> by corresponding angles

m<KJO=m<NMO -----> by corresponding angles

m<JOK=m<MON -----> is the same angle

4 0
3 years ago
The cost to rent a dump truck is $50 per day plus $26 per hour of use. What is the maximum number of hours the truck can be used
ryzh [129]

Answer:

solve 26x+50=193 which equals 5.5

Step-by-step explanation:

6 0
3 years ago
Please help me people thank you in advance
scZoUnD [109]

Answer:

-\dfrac{11}{12}

Step-by-step explanation:

\dfrac{\dfrac{5}{8}+\dfrac{3}{4}}{\dfrac{-2}{3}-\dfrac{5}{6}}=\\\\\\\dfrac{\dfrac{11}{8}}{-\dfrac{9}{6}}=\\\\\\\dfrac{11}{8}\times -\dfrac{2}{3}=\\\\\\-\dfrac{22}{24}=\\\\\\-\dfrac{11}{12}

Hope this helps!

8 0
3 years ago
Help for number 2 and 1
Sholpan [36]
1. 20 just add all of the d's together
6 0
3 years ago
Pls help asap for 13 pls and thank u
AysviL [449]
Answer:
The answer is 35.5 square units


Step-by-step explanation:

The shape represents a rectangle, a small triangle removed from it at the upper right corner and a bigger triangle is attached to it at the upper left corner.

We get this formula:
A(shape) = A(rectangle) - A(small triangle) + A(big triangle)
SO LET'S FIND EACH!

A(rectangle)= length x width
length= 8 units
width= 4 units
We get:
A(rectangle) =8x4= 32 square unit

A(small triangle)= (base x height)/2
base= 1 unit
height= 1 unit
We get:
A(small triangle) = (1x1)/2 = 1/2 = 0.5 square units

A(big triangle)= (base x height)/2
base= 2 units
height= 4units
We get:
A(big triangle)= (2x4)/2 = 8/2 = 4 square units

For the final result:
A(shape) = 32 - 0.5 + 4 = 35.5 square units


8 0
2 years ago
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