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sertanlavr [38]
3 years ago
9

Ten more than twice a number​

Mathematics
1 answer:
Blababa [14]3 years ago
7 0

Answer:

4 is twice a number of 2 so the answer would be 14

Step-by-step explanation:

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Harold has 7 bags, each containing the same number of marbles. He has a total of 42 marbles in the bag
Crazy boy [7]

Answer:

294 or 6

Step-by-step explanation:

if he has 7 bags and 42 marbles in each then the answer will be 294

but if ur tryna say that there are a total of 42 marbles combined, then there are 6 marbles in each bag

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2 years ago
The fire department needs to rescue a man from a house. There is a large, unstable puddle below the house. The ladder needs to b
nevsk [136]

Answer: 100 feet

Step-by-step explanation:

60+40=100

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2 years ago
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Determine the slope from the given graph below:
Greeley [361]

Step-by-step explanation:

the slope is the ratio of "y coordinate difference / x coordinate difference".

so, let's find 2 good points (I mean by that with integer coordinates). I see e.g.

(-1, -1) and (0, -7)

x changes by +1 (from -1 to 0).

y changes by -6 (from -1 to -7).

so, the slope is -6/1 = -6.

D is the right answer.

8 0
2 years ago
7. In the accompanying diagram of rhombus CDEF, diagonal FD is drawn and the
tatiyna

Answer:

m∠CFD is 70°

Step-by-step explanation:

In the rhombus

  • Diagonals bisect the vertex angles
  • Every two adjacent angles are supplementary (their sum 180°)

Let us solve the question

∵ CDEF is a rhombus

∵ ∠E and ∠F are adjacent angles

→ By using the second property above

∴ ∠E and ∠F are supplementary

∵ The sum of the measures of the supplementary angles is 180°

∴ m∠E + m∠F = 180°

∵ m∠E = 40°

∴ 40° + m∠F = 180°

→ Subtract 40 from both sides

∵ 40 - 40 + m∠F = 180 - 40

∴ m∠F = 140°

∵ FD is a diagonal of the rhombus

→ By using the first property above

∴ FD bisects ∠F

→ That means FD divides ∠F into 2 equal angles

∴ m∠CFD = m∠EFD = \frac{1}{2} m∠F

∴ m∠CFD = \frac{1}{2} (140°)

∴ m∠CFD = 70°

6 0
3 years ago
Chrissie thinks of a number. 30% of her number is 270. What is the number she is thinking of? Please help.
MrRissso [65]

Answer:

81

Step-by-step explanation:

hope it helps

3 0
2 years ago
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