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dexar [7]
2 years ago
5

Two digit subtraction with regrouping

Mathematics
1 answer:
algol132 years ago
6 0

Answer:

WHAT IS D QUESTION?????

Step-by-step explanation:

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Which value of x makes the open sentence 10 = 8x true?
Nikitich [7]

Answer:

B.1.25

Step-by-step explanation:

7 0
2 years ago
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Given m || n, find the value of x and y
Anika [276]

Answer:

x = 16 and y = 121

Yes, its a long process.

Step-by-step explanation:

vertical angles are congruent given that: we do this

(4x-5)+(4x-5)+y+y=360

or

2(4x-5)+2y=360

divide both sides by 2

(4x-5)+y=180

distribute (there is an invisible 1 beside the parentheses of 4x-5)

4x-5+y=180

add 5 to both sides

4x+y = 185

subtract y from both sides

4x = 185-y

divide both sides by 4

x = (185-y)/4

note that (4x-5) is also EQUAL to (3x+11)

4x-5=3x+11

subtract 3x from both sides

x-5=11

add 5 to both sides

x = 16

Now that we know what x is, we can substitute it in the equation we got from 2(4x-5)+2y=360

Our equation was

x = (185-y)/4

16 = (185-y)/4

Multiply both sides by 4

64 = 185-y

Subtract 185 from both sides

-121=-y

multiply both sides by -1

121 = y

7 0
3 years ago
Find the missing values in the ratio table. Then write the equivalent ratios of cost to time.
max2010maxim [7]

Answer:

337.5

Step-by-step explanation:

50÷2 = 25

75÷2 = 25

13.5×25 = 337.5

8 0
2 years ago
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How to do? Can anyone help me please? I will appreciate that a lot!
Nitella [24]
Triangle ABD is i<span>nscribed in circle and </span>has hypotenuse as circle's diameter so angle ABD must be 90°

Since it is parallelogram, ∠ABD = ∠BDC = 90° and it is given that ∠ADB = 30°

So we have ∠CDO = ∠CDB + ∠ADB = 30° + 90° = 120°

Final answers: ∠CDO = 120° and ∠ABD = 90°
4 0
3 years ago
Nathan is jogging on a circular trail in a state park. The diameter of the trail is 650 meters. What approximate distance ( circ
erica [24]
If using the radius, you would multiply the radius by 2*pi, to calculate the circumference, which should be the same as the answer i got.

3 0
3 years ago
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