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Marianna [84]
3 years ago
9

Maddy made $22.50 for babysitting for 5 hours for her aunt. Maddy was paid $21.00 for 3.5 hours of babysitting for her neighbor.

How much more per hour does Maddy’s neighbor pay than her aunt?
A. $1.00/hr
B. $1.50/hr
C. $2.00/hr
D. $2.50/hr
Mathematics
1 answer:
Alecsey [184]3 years ago
7 0
Okay so let me show u with the work:

U divide pay by hour = pay/hour

22.5/5 = 4.5

21.00/3.5 = 6

6 > 4.5

6-4.5 = 1.5

So the answer will be b.) $1.50
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For the triangles ABC and MNP m∠A = m∠M, AB = 16, AC = 10, MN = 7, MP = 24. Find the ratio of the A△MNP and A△ABC .
Digiron [165]

Answer:

Ratio of area of triangles MNP and ABC is 1.05

Step-by-step explanation:

There are 2 triangles ABC and MNP.

We are given that ,m∠A = m∠M.

AB = 16 and AC = 10.

MN = 7 and MP = 24.

Area of a triangle ∝ Product of any two sides.

So area of triangle ABC ∝ 16\times 10

Area of triangle ABC = 160\times k ,

where k is a constant.

So area of triangle MNP ∝ 7 \times 24

Area of triangle MNP = 168\times k

So ratio of area of triangles = \frac{Area of MNP}{Area of ABC}

                                              = \frac{168}{160}

                                               = 1.05

3 0
3 years ago
Read 2 more answers
Check this the answer c is right thanks
hodyreva [135]
Yes C is correct. hope you pass!

5 0
3 years ago
How do you find the area of a triangle?
OLga [1]
A= 1/2 of base times height
7 0
3 years ago
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A patient is given a 50 mg dose of medicine. The medicine's effectiveness decreases every hour at a constant rate of 40%. What i
Assoli18 [71]
It should be noted that only 60% of the medicine of the previous hour is left n the patient's system every hour. Thus, the model of the scenario is,

                                       D = 50 mg (0.6^n)

where D is the dosage at any hour n. 

Using the model above with n equal to 2. D becomes 18. Therefore, only 18 mg is left in the patient's system after 2 hours. 
8 0
3 years ago
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Help guys I only have 18 minutes left!!!!!!
harkovskaia [24]

Given:

The equation of a circle is:

(x-3)^2+y^2=32

To find:

Center and the circumference of the circle.

Solution:

The standard form of a circle is:

(x-h)^2+(y-k)^2=r^2         ...(i)

Where, (h,k) is center and r is the radius.

We have,

(x-3)^2+y^2=32           ...(ii)

On comparing (i) and (ii), we get

h=3,y=0,r=\sqrt{32}

So, the center of the circle is (3,0) and the radius of the circle is \sqrt{32}.

Now, the circumference of the circle is:

C=2\pi r

C=2(3.14)(\sqrt{32})

C=35.525045

C\approx 35.5

Therefore, the circumference of the circle is about 35.5 units.

3 0
3 years ago
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