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enyata [817]
3 years ago
13

How long is the Yangtze river

Mathematics
1 answer:
Nastasia [14]3 years ago
8 0

Answer:

3,915 mi

Step-by-step explanation:

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The are of the shape is __ square centimeter
tensa zangetsu [6.8K]

Answer:

35 cm

Step-by-step explanation:

To find the area of the bottom portion, you would use the formula for finding out a triangle (B*H*1/2) which is:

(4+4)*5.75*1/2=<u>23</u>

Then, for the top portion, one would find the area of the triangles on the sides (with two marks going through). Since along the middle is 8cm, and along the top is 4, we can see that there is 2cm on either side, so that is the length of the base of the triangle. To solve for the top triangles, you would do almost the same thing as the last one:

2*2*1/2=2

But since there's two identical triangles on either side, we can multiply that by two, which would bring it to <u>4.</u>

That just leaves the rectangle that is left between the two triangles. To solve this, it's just B*H and luckily both of those are labeled for you already:

4*2=<u>8</u>  

Now, to find the total area, all you have to do is add up the areas of the different sections:

23+4+8=35 cm

Hope this helps!

4 0
3 years ago
If x plus one upon X equal to 11 find the value of x square + 1 upon x square
zubka84 [21]
119 <answer (check the solution in above pic)


hey friend i hope this answer is helpful


marl as brainliest if i deserve

6 0
3 years ago
Multiply<br> (-4-71)(3 – 52)<br> Enter your answer, in standard form
Yuki888 [10]
The equations (-75)(-49)=3,675 the answer
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Solve the given equation. State the number and type of roots. x² + 3x- 4
sesenic [268]

Answer:

x=1, x=-4

Two distinct real roots

Step-by-step explanation:

x² + 3x- 4 = (x - 1)(x + 4)

x=1, x=-4

Two distinct real roots

4 0
3 years ago
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Algebraic Expressions with Exponents Quiz
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Answer:

what do you need help with? i can edit this later lol

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3 years ago
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