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Zanzabum
3 years ago
6

Help me with this please its hard and i dont get it

Mathematics
2 answers:
Kaylis [27]3 years ago
8 0

Answer:

It's Feedback A. B is wrong because natural numbers would be reversed with whole numbers, and c is wrong because irrational numbers would be outside.

Step-by-step explanation:

9966 [12]3 years ago
6 0
It's Feedback A. B is wrong because natural numbers would be reversed with whole numbers, and c is wrong because irrational numbers would be outside.
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Evaluate (a + b)2 for a = 2 and b = 3.<br> 1.) 10<br> 2.)13<br> 3.)25
Fittoniya [83]
(a + b)2   Plug in the a and b values
(2 + 3)2   Add 2 and 3
(5)2         Multiply 5 and 2
10

When a = 2 and b = 3, (a + b)2 will equal 1.) 10.
6 0
3 years ago
Read 2 more answers
A quantity with an initial value of 160 grows continuously at a rate of 0.65% per hour.
dangina [55]

Answer:

167.10

Step-by-step explanation:

Here, we write out the general form for an exponential equation;

y = I (1 + r)^n

where y is the current value which we want to calculate

I is the initial value which is 160

r is the growth rate = 0.65% = 0.65/100 = 0.0065

402 minutes to hours will be 402/60 = 6.7 hours which is n

Substituting these values, we have

y = 160( 1 + 0.0065)^6.7

y = 160(1.0065)^6.7

y = 167.10

6 0
3 years ago
Read 2 more answers
X=4 for x^2 - 3x - 10<br><br> is the value of x a solution to the given inequality?
olga2289 [7]

Answer: yes

Step-by-step explanation:

There is not answer to your equation so technically anything could be X

4 0
3 years ago
Andrew is buying three different colors of tiles for his kitchen floor. he is buying 50 more purple tiles than black tiles, and
lorasvet [3.4K]
- Key -

Black tiles = x
Purple tiles = x+50
Yellow tiles = 5x

-

Total = x + x+50 + 5x = 400
⇒ 7x + 50 = 400
⇒ 7x = 400-50 = 350
⇒ x = 350/7
⇒ x = 50

Black tiles = 50
Purple tiles = 50+50 = 100
Yellow tiles = 5 x 50 = 250
4 0
3 years ago
If street lights are placed at most 145
Paraphin [41]

Answer:

Step-by-step explanation:

d=4 miles=4×1760 yards=7040 yards=7040×3 ft

number of lights=21120 ft

number of lights=21120/145 +1≈145.7+1=146+1=147 lights

7 0
2 years ago
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