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Evgen [1.6K]
3 years ago
5

How to estimate 208 + 569

Mathematics
1 answer:
BARSIC [14]3 years ago
5 0
Well just lookin at it and guessing I would say the estimate would be 777 bc u know that 8+9=17 den carry the one and u know that 1+6=7 and u know that 5+2=7 and yea
Hope this help good luck have a nice nite
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Find m&lt;YDC <br>please help!​
AlekseyPX

Answer:

∠YDC measures 140°.

Step-by-step explanation:

We can consider using the Exterior Angle Theorem. According to the theorem, the exterior angle of a triangle is equal to the two opposite interior angles.

In other words:

\displaystyle m \angle YDC = m\angle DCB + m\angle CBD

Substitute:

\displaystyle (15x + 5) = (80) + (6x+6)

Solve for <em>x</em>. Combine like terms:

15x + 5 = 6x + 86

Simplify:

9x = 81

And divide. Hence, the value of <em>x</em> is:

x = 9

∠YDC is given by:

\displaystyle m\angle YDC = 15x  + 5

Since we now know the value of <em>x</em>, substitute and evaluate:

\displaystyle \begin{aligned} m\angle YDC &= 15x + 5 \\ &= 15(9) + 5 \\ &= 135 + 5 \\ &= 140^\circ\end{aligned}

In conclusion, ∠YDC measures 140°.

8 0
3 years ago
Carly can ride her bicycle 6000 meters in 15 minutes how far can she ride her bicycle in two minutes
Gala2k [10]
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5 0
4 years ago
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Write two multiplication equations using fractions and mixed numbers. Write one equation that will have a product greater than t
HACTEHA [7]
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What is the slope-intercept
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Write a story problem to go with the multiplication problem 4 x2/3 . Then, solve the problem.
Jlenok [28]

Story:

There is a tank that can fill 4 liters of water. The 2/3 of the tank has been filled with water. How much liters have the tank filled with water?

Solution of story:

<u>We know that:</u>

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  • 2/3 x 4 = Water filled in tank

Multiply both the terms to get the answer.

<u>Solution:</u>

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Hence, 2 2/3 liters has been filled with water.

Hoped this helped.

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