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4 years ago

Easy 5th grade math please look at photo and show work. Giving brainliest!!

Mathematics

1 answer:

kirza4 [7]4 years ago

4 0

Answer:

6 4/5

Step-by-step explanation:

He has 1 1/5 lb. He needs 8 lb.

He needs the difference between 8 lb and 1 1/5 lb, so this is a subtraction problem. We must subtract 8 lb - 1 1/5 lb.

8 - 1 1/5 =

We cna subtract the 1 from the 8, but we need a fraction with fifths at the 8 in order to subtract 1/5 from it. We borrow 1 from 8 leaving 7, and we write the 1 as the fraction 5/5. Now we have

= 7 5/5 - 1 1/5

We subtract 1 from 7 leaving 6, and we subtract 1/5 from 5/5 leaving 4/5.

= 6 4/5

Answer: 6 4/5

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What is 5000000 times 21113221

earnstyle [38]

Answer:

1.0556611e+14

Step-by-step explanation:

1.05566105 + 14

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4 years ago

I need helppp soo like yeah

Verizon [17]

Answer:

x = 30°

Step-by-step explanation:

Since 2 of the sides are congruent then the triangle is isosceles and the 2 base angles are congruent, both 75°

The sum of the 3 angles in a triangle = 180°, then

x = 180° - (75 + 75)° = 180° - 150° = 30°

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3 years ago

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matrenka [14]

Answer:

(2,16)

Step-by-step explanation:

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3 years ago

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algol13

Answer:...

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Given |u| = 10 at ∠135° and |v| = 5 at ∠30°, what expression can be used to find |u + v|?

astraxan [27]

Answer:

B, $10^{2} + 5^{2}- 2(10)(5)cos(75)$

Step-by-step explanation:

Using the law of cosines, which is $c^{2}=a^{2}+b^{2}-2ab cos(C)$ , you can simply insert all the values.

c=|u+v|

a= r value of u (10)

b= r value of v (5)

To find C, you simply have to subtract v from u, and then subtract that number from 180 to find the reference angle.

I.E.: ∠135 - ∠30 = ∠105 ↔ 180 - 105 = 75 = C

so, the completed equation would be 10^{2} + 5^{2}- 2(10)(5)cos(75)

5 0

3 years ago

Read 2 more answers