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malfutka [58]
4 years ago
10

1,350

align="absmiddle" class="latex-formula">
​

Mathematics
2 answers:
attashe74 [19]4 years ago
6 0

Hello!

The answer to your problem is 225

Here is a picture of how I showed my work

Hope This Helps!

sveticcg [70]4 years ago
5 0
The Answer Is 225.



;)
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The area of a trapezium is 550 cm2 and the length of the parallel sides is 23cm and 27cm, find the distance between them.
ryzh [129]

Answer: 22 cm.

Step-by-step explanation:

Formula for area of trapezium: Area = \dfrac12 (\text{Sum of parallel sides})\times \text{(Distance between them)}

Given: Area = 550\ cm^2

Length of parallel sides : 23 cm and 27 cm

Let h=distance beteen them.

then

550=\dfrac12 (23+27)(h)\\\\\Rightarrow\ 550=\dfrac12(50)h\\\\\Rightarrow\ 550=25h\\\\\Rightarrow\ h=\dfrac{550}{25}\\\\\Rightarrow\ h= 22

Hence, the distance between them  = 22 cm.

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3 years ago
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Answer:

Angle CFD = 30°

Step-by-step explanation:

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5 0
3 years ago
13) 3 bags of Brand X dog food and 4 bags of Brand Y dog food costs $18,
GuDViN [60]

Answer:

the cost of brand x dog food is $2

Step-by-step explanation:

Let brand X dog food be represented as A

Let Brand Y dog food be represented as B

3 bags of Brand X dog food and 4 bags of Brand Y dog food costs $18,

3A+4B=18

4 bags of Brand X dog food and 3 bags of Brand Y dog food costs

$17.

4A+3B= 17

  • 3A+4B=18
  • 4A+3B= 17

Using Elimination method

Multiply

  • 3A+4B=18 by coefficient of B in equ ii (3)  = 9A+12B=54
  • 4A+3B= 17 by coefficient of B in equ i (4)  = 16A+12B=68
  • subtract equation i from equation ii, since sign is the same in both equations
  • 9A+12B-(16A+12B)= 54-68
  • open bracket
  • 9A+12B-16A-12B= 54-68= -14
  • 9A-16A+12B-12B= -14
  • -7A= -14
  • divide both sides by -7

A = -14/-7= 2

Since the brand X dog food is represented as A

the cost of brand x dog food is $2

4 0
4 years ago
A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 10.0 m/s and accelerates
Grace [21]

Answer:

20m/s

Step-by-step explanation:

This can be solved using the acceleration / velocity equations.

Specifically,

v² = u² + 2as

Where

v = final velocity = what we need to find

u = initial velocity = given as 10.0m/s

a = acceleration = given as 0.5m/s²

s = distance = 300m

Hence,

v² = 10² + (2)(0.5) (300)

    = 100 + 300

    =400

v = √400 = 20 m/s

8 0
4 years ago
Please help! It’s engenuity
sammy [17]

Answer:

its the second from the top

4 0
3 years ago
Read 2 more answers
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