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Blizzard [7]
3 years ago
6

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7:9. If Merrida multiplies the fi

rst term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? Multiply 9 by 1. Multiply 9 by 6. Multiply 9 by 7. Multiply 9 by 9.
Mathematics
2 answers:
astra-53 [7]3 years ago
6 0

Answer:

Multiply 9 by 6

Step-by-step explanation:

7:9 is the ratio

We multiply the first term by 6.

What we do to one side, we do to the other

7*6=42

9*6 = 54

That way we keep the ratio in the same proportion

42:54

Mkey [24]3 years ago
4 0

Answer: Multiply 9 by 6.

Step-by-step explanation:

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Look at the picture for the problem
Serjik [45]

Answer:

w = 400

Step-by-step explanation:

2400 = lw

Divide the area by two.

2400 / 2 = 1200

Now this cannot be the answer since the length is longer than the width.

Divide 1200 by two again.

1200 = 600

Notice there are two choices that are the closest:

w = 800

w = 400

The latter choice would be the answer since again, the length is longer than width in terms of measurement

5 0
3 years ago
Read 2 more answers
Paul's mom gave him $25.00 on Monday morning to use on lunches. At his school, the school lunch costs $1.50, which he bought
Aleks04 [339]

Answer:

C. $12.60

Step-by-step explanation:

he has $25.00 for the whole week

monday through thursday, or four days, he buys school lunch for $1.50

1.5 x 4 = 6

on friday, he buys 4 slices of pizza for $1.60 per slice

4 x 1.6 = 6.4

Expenses together:

6.4 + 6 = 12.4

Find what he has left:

25-12.4 = 12.6

C. $12.60

6 0
2 years ago
A pyramid of lcm x 1cm x 1cm cubes is formed. The bottom layer has 1 anrrangement of these cubes. The second layer has a 9 angan
loris [4]

Answer:

1444 uf FC fun with that one is a little bit ago and now I have to do it again in a bit of the day I will be there in a few days

6 0
3 years ago
Molar mass of FeCl3, Co(NO3)2, C4H10O, and Cu(NO3)2? Show work.
N76 [4]

Molar mass of FeCl₃ 162.204 g/mol

Molar mass of  C₄H₁₀O is 74.1212 g/mol

Molar mass of Cu(NO₃)₂ is 187.5594 g/mol

<u>Step-by-step explanation:</u>

Molar mass is also termed as molecular mass of the compound. So it is the measure of the amount of mass present in the given molecule. It can be obtained by adding the products of number of atoms with their molecular mass.

For example, in order to find the molar mass of FeCl₃, the molecular mass of Fe is noted as 55.845 g/mol and the molecular mass of Cl is noted as 35.453 g/mol.

As FeCl₃ contains one atom of Fe and 3 atoms of Cl, then the

Molar mass = (Number of Fe atoms × Molecular mass of Fe) + ( Number of Cl atoms × Molecular mass of Cl)

Molar mass of FeCl₃ = (1×55.845)+(3×35.453)=162.204 g/mol.

Similarly, the molar mass of C₄H₁₀O will be

Molar mass = (4×Mass of C) + (10×Mass of H) + (1 × Mass of O)

Molar mass = (4×12.0107)+(10×1.00784)+(1×16)=74.1212 g/mol

Then the molar mass of Cu(NO₃)₂ will be

Molar mass = (1× Mass of Cu) + (2×Mass of N)+(6×Mas of Oxygen)

Molar mass = (1×63.546)+(2×14.0067)+(6×16)

Molar mass = 187.5594 g/mol

5 0
3 years ago
Compare.<br> 1 and a half hours<br><br> 100 minutes
xz_007 [3.2K]

Answer:

1 and a half hours < 100 mins

Step-by-step explanation:

1 and a half hours is equal to :

1 hour = 60 mins

half hour = 30 mins

60 + 30 = 90 mins

90 min is less than 100 mins

Therefore / ∴ :

1 and a half hours < 100 mins

6 0
2 years ago
Read 2 more answers
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