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Leno4ka [110]
3 years ago
11

Darcy gave her hair hairstyles a $4.90 tip the tip was 7% of the cost of the haircut Write an equation to find​ b, the cost of t

he haircut
Mathematics
1 answer:
artcher [175]3 years ago
3 0
Answer: $70

Step-by-Step Explanation:

Let the total cost of haircut be ‘x’

Therefore, 4.9/x * 100 = 7
= 4.9 * 100 = 7 * x
= 4.9 * 100/7 = x

Therefore,
x = 490/7
= 70

Hence, the Total cost of the Haircut would be ‘x’ ie. 70$.
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Darcy harvest 8 3/4 acres of corn every 5/6 of an hour. How many acres per hour?
otez555 [7]

Answer:

The answer is 10\frac{1}{2}\ per\ hour.

Step-by-step explanation:

Given:

Darcy harvest 8 3/4 acres of corn every 5/6 of an hour.

Now, to find the acres per hour it takes to harvest.

Darcy harvest = 8\frac{3}{4}=\frac{35}{4}\ acres.

The time he took to harvest = \frac{5}{6}\ hour.

So, to get the acres per hour we put formula:

Distance = \frac{35}{4}\ acres.

Time=\frac{5}{6}\ hour.

Speed=\frac{distance}{time}

Speed=\frac{\frac{35}{4}}{\frac{5}{6}}

Speed=\frac{35}{4}\times \frac{6}{5}

Speed=\frac{210}{20}

Speed=\frac{21}{2}

Speed=10\frac{1}{2}\ per\ hour.

Therefore, the answer is 10\frac{1}{2}\ per\ hour.

3 0
4 years ago
X=2<br> 3x+4y=2<br> -6<br> 4y=-4<br> y=1
seraphim [82]

Answer:

x= 1/22 and y=-1/4 (I'm assuming that the equal signs are the only separators of the equation sequence, since there is no indicator that the so-called "sentences" are actually apart.

5 0
3 years ago
How much more is 1.8 • 10^11 greater than 7.2 • 10^10
Rasek [7]

Answer:

1.8.10=1.80000000000

7.2.10=7.2000000000

Step-by-step explanation:

6 0
3 years ago
Mr Lowry paid $32 for 5 boxes of crayons. How many dollars per box?
butalik [34]

Answer:

6 dollars and 40 cents

Step-by-step explanation:

To get the answer, you would do 32/5 which equals 6.4, which is the same as saying 6 dollars and 40 cents.

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SOVA2 [1]

Answer:

The shortest whole number height that will hold the fishing pole is 5 feet.

Step-by-step explanation:

Please see the attached files for details

4 0
3 years ago
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