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mel-nik [20]
3 years ago
5

Subtract − 9 x − 7 −9x−7 from 8 x 2 − 5 x + 9 8x 2 −5x+9

Mathematics
1 answer:
stiks02 [169]3 years ago
8 0

Answer: i think its 152x-11

Step-by-step explanation:

the question is written weird so that what i got

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Round 12.566370614359 to the nearest hundredth
serious [3.7K]

Answer:12.57

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
On a drawing, a triangle has sides that equal 4 cm, 5 cm, and 6 cm. If the scale of the drawing is 1 cm = 20 feet, find the side
viktelen [127]
1 cm = 20 feet

the triangle's sides are 4 cm, 5 cm, and 6 cm
multiply the amount of cm with 20 feet

4(20) = 80 feet
5(20) = 100 feet
6(20) = 120 feet

Simplify, divide 10 from all numbers

80/10 = 8
100/10 = 10
120/10 = 12

8, 10, 12 is your answer

hope this helps
5 0
3 years ago
Read 2 more answers
A school bus uses 3/4 of a tank of gas to drive back and forth to school in a week with 5 school days. How much gas does the bus
eimsori [14]
The answer is 3/5.

Please give me brainliest

5 0
3 years ago
A population of protozoa develops with a constant relative growth rate of 0.469 per member per day. On day zero the population c
garik1379 [7]

If the growth rate is 0.469 per member per day and in the beginnning there are 5 members then the population size after eight days is 108.42.

Given growth of population of protozoa 0.469 per member per day and population in beginninng is 5 members.

We have to find the population afte eight days.

First of all we have to find the function or equation showing sum of population after t days.

Because it is given that the rate is 0.469 per member per day it means it is like compounding.

The equation which shows the sum after compounding is P(1+r)^{n}

where P is the amount in beginning, r is the rate and n is the number of years.

In this problem the equation will be 5(1+0.469)^{t} where t is number of days.

We have to put the value of t=8 to find the population after 8 days=

=5(1.469)^{8}

=5*21.68

=108.42

Hence the population of protozoa after 8 days is 108.42.

Learn more about compounding at brainly.com/question/24924853

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4 0
1 year ago
(sin30° + cos30°) – (sin 60° + cos60°)​
Darya [45]

Answer:

0

Step-by-step explanation:

Sin 30° = ½

Cos 30° = √3/2

Sin 60° = √3/2

Cos 60° = ½

Therefore,

(½ + √3/2) - (√3/2 + ½)

\frac{1 +  \sqrt[]{3} }{2}  -  \frac{ \sqrt{3 + 1} }{ 2 }

\frac{1 +  \sqrt{3}  -  \sqrt{3}  -  1}{2}

\frac{0 - 0}{2}

Answer: 0

8 0
2 years ago
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