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3 years ago

I NEED HELP! What is the area of the Triangle?

Mathematics

2 answers:

vitfil [10]3 years ago

5 0

Area of a triangle is usually found by the formula $1/2(bh)$

the height is tricky because it is not given. there are some formulas for finding height and stuff, but the easiest way to calculate area without height and a given value for each side is by using the formula $(a+b+c)/2$

So the base is 7 units, hypotenuse 25, and other base 24.

7+25+24= 56

56/2=28

28 units squared

alina1380 [7]3 years ago

3 0

Answer 4,200 or 2,100

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Find the Sum of the Odd Integers between 140 and 204

Scorpion4ik [409]

Answer: 5504

Step-by-step explanation:

This involves us finding the sum of all odd integers from 141 to 203.

We can interpret this as an arithmetic sequence with first term 141 and common difference 2.

This sequence has $\frac{203-141}{2}+1=32$ terms.

So, the sum is:

$32\left(\frac{141+203}{2} \right)=\boxed{5504}$

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2 years ago

Which image has reflectional, rotational, and point symmetry?

arlik [135]

Answer:

the second one

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Step-by-step explanation:

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3 years ago

Work for 8/18 in a decimal

vlabodo [156]

The decimal for 8/18 is 0.44, you simplify 8/18 to 4/9, divide 4 by 9 for the decimal.

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3 years ago

In the relation V= U+AT. Find v when U=6, A=10 and T=2

Harlamova29_29 [7]

Answer:

$v = u + at \\ u = 6 \\ a = 10 \\ t = 2 \\ then \\ v = 6 + 10 \times 2 \\ = 6 + 20 = 26 \\ thank \: you$

3 0

3 years ago

PLEASE HELP FAST!!!!

DochEvi [55]

Answer:

Time = 25/9 hr

Step-by-step explanation:

Let speed of boat in still water is x km/hr

then, speed in downstream equals to "x + 3"km/hr

and speed in upstream equals to "x - 3" km/hr

We also know that time taken to travel 3km in upstream is twice as time taken to travel 4km in downstream.

so, using time = distance/speed

3/x- 3 = 2 × (4/x + 3)

3x + 9 = 8x -24

5x = 33

x = 33/5 km/hr

Net speed in upstream = 33/5 - 3 = 18/5 km/hr

So, Time taken to travel 10km upstream = distance /speed

= (10 × 5) / 18 = 25/9 hr

Time = 25/9 hr

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3 years ago