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romanna [79]
3 years ago
7

Help with this please!!! help asap!

Mathematics
1 answer:
marusya05 [52]3 years ago
5 0

Answer:

what is it

Step-by-step explanation:

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Please help will give brainliest
kumpel [21]

Answer: 24

Step-by-step explanation: dont give me brainliest if im incorrect

5 0
3 years ago
How many match sticks will be in the 8th picture?​
melomori [17]
Hello again. :)

Answer: 33 match sticks

From the first picture, we are given 5 match sticks.

From the second picture, we are given 9 match sticks. The difference between the match sticks is 4.

From the third picture, we are given 13 match sticks. The difference between the match sticks is again 4.

If each image increases the number of match sticks by 4, then the fourth image must have (13 + 4) = 17 match sticks.
The fifth image must have (17 + 4) = 21 match sticks.
The sixth image must have (21 + 4) = 25 match sticks.
The seventh image must have (25 + 4) = 29 match sticks.
And the eighth image must have (29 + 4) = 33 match sticks
5 0
2 years ago
The length of the subway is 850 miles. If .15 inch represents 45 miles, what is the length of the subway on the map?
Scilla [17]

Answer:

The length of the subway on the map is 2.83\ inches

Step-by-step explanation:

we know that

The scale on the map is equal to the length of the subway on the map divided by the length of the subway in the actual

so

Let

z------> the scale on the map

x------> the length of the subway on the map

y------> the length of the subway in the actual

z=\frac{x}{y}

In this problem we have

z=\frac{0.15}{45}\frac{inches}{miles}

y=850\ miles

substitute and solve for x

\frac{0.15}{45}=\frac{x}{850}

x=850*\frac{0.15}{45}=2.83\ inches

6 0
4 years ago
Read 2 more answers
A square sheet of paper measures 25 centimeters on each side. What is the length of the diagonal of this paper?
Varvara68 [4.7K]

Answer:

35.36 cm

Step-by-step explanation:

The diagonal of a square will be given by

D=\sqrt {a^{2}+b^{2}}

Where a is the length of one side and b is the length of another side. For a square, botj sides are equal hence the diagonal calculations will be as follows

Given that a is 25 then

D=\sqrt {25^{2}+25^{2}}

D=35.3553390593274

Rounding off the nearest two decimal place

D=35.36 cm

6 0
3 years ago
A sum of money is invested at 12% compounded quarterly. About how long will it take for the amount of money to double?
Fofino [41]
Follow the given formula.  The initial amount of money invested, P, becomes 2P (same thing as "doubles) after t years.  Since compounding is quarterly, n=4.  The annual interest rate is 12%.  That is, r=0.12.

Then we have 2P = P (1 + 0.12/4)^(4t) and need only solve for time, t.

Simplifying the above equation:  2 = (1.03)^(4t)

We must isolate 4t, and then isolate t.  To do this, take the common log of both sides of the above equation.  We get:

log 2 = (4t) log 1.03.  This gives us 4t = [log 2] / [log 1.03], or

4t =  23.4498

Dividing both sides by 4, we get     t = 5.86 (years).
7 0
4 years ago
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