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GarryVolchara [31]
3 years ago
5

Can someone please help me? Homework is due tom

Mathematics
1 answer:
natulia [17]3 years ago
8 0

Answer:

5 7/8

Step-by-step explanation:

12 3/4 = 12 6/8

1 3/8 = 1 3/8

5 1/2 = 5 4/8

1 3/8+5 4/8 = 6 7/8

12 6/8 = 11 14/8

11 14/8-6 7/8 = 5 7/8

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Mr Thomas's monthly expenditure was £2125 after
just olya [345]

Answer:

a.  £2,500

b.  £3,125

Step-by-step explanation:

The computation is shown below:

a. The original monthly expenditure is

Let us assume the original monthly expenditure be x

Monthly expenditure = x -15% of x

£2,125 = x - 0.15x

£2125 = 0.85x

x = £2125 ÷ 0.85

= £2,500

b. Now the monthy income is

Let us assume the monthly income be y

£2,500 = 80% of monthly income

£2,500 = 80% of y

y = £2,500 ÷ 80%

= £3,125

7 0
3 years ago
Molly has 9 cups of flour. If this is 3/4 of the amount she needs to make bread, how many cups does she need
Serga [27]
If its 3/4 than it would have to be 12 cups in total
7 0
4 years ago
Read 2 more answers
1.Simplify 5 to the 5th over 5 to the 8th.
timurjin [86]
Q1. The answer is <span>1 over 5 to the 3rd power.

</span>5 to the 5th is 5⁵
5 to the 8th is 5⁸
5 to the 5th over 5 to the 8th is \frac{ 5^{5} }{ 5^{8} }
To simplify, we will use two rules: 
\frac{ x^{a}}{ x^{b} } = x^{a-b} \\ x^{-a} = \frac{1}{ x^{a}}
Therefore:
\frac{ 5^{5} }{ 5^{8} } = 5^{5-8} =5^{-3}= \frac{1}{5^{3}}
\frac{1}{5^{3}} is the same as 1 over 5 to the 3rd power.


Q2. The answer is <span>(53)−4.

The exponents are multiplied when are expressed in the form:
</span>(x^{a}) ^{b}= x^{a*b}
So, (5^{3} )^{-4}=5^{3*(-4)}=5^{-12}

Other choices are incorrect:
<span>one third to the 4th times one third to the 7th is </span>( \frac{1}{3} )^{4} *( \frac{1}{3} )^{7}=( \frac{1}{3} )^{4+7}
3 to the 7th over 3 to the 15th is \frac{ 3^{7} }{3^{15}} =3^{7-15}
<span>45 ⋅ 42 is </span>4^{5}* 4^{2} =  4^{5+2}
3 0
3 years ago
Read 2 more answers
What is a transformation that proportionally reduces or enlarges a figure.
Ratling [72]

Answer: Dilation is a transformation that proportionally reduces or enlarges a figure.

Step-by-step explanation:

  • A dilation a transformation that changes the size of the shape by using scale factor in particular ways .

It stretches or shrinks the actual figure. It produces similar figures.

Since the corresponding sides of similar figures are in proportion.

⇒ It proportionally reduces or enlarges a figure.

Hence, A dilation is a transformation that proportionally reduces or enlarges a figure.

8 0
4 years ago
Find the area of the shaded region. Round to nearest hundredth.
coldgirl [10]

210/360 = 7/12, meaning the shaded area is 7/12 of the entire circle.

The circle has radius 12 in, so its total area is π (12 in)^2 = 144π in^2.

Then the area of the shaded region is 7/12 of this, or

7/12 * (144 π in^2) = 84π in^2 ≈ 263.89 in^2

5 0
3 years ago
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