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yan [13]
3 years ago
13

7^2+7^7 answer in exponential form

Mathematics
1 answer:
Helen [10]3 years ago
5 0
It could also be 8.23592 x 10 ^ 5

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How do I factorise 2t^2 + 5t +2
alekssr [168]
2t^2+5t+2\\\\a=2;\ b=5;\ c=2\\\\\Delta=b^2-4ac;\ if\ \Delta > 0\ then\ t_1=\frac{-b-\sqrt\Delta}{2a}\ and\ t_2=\frac{-b+\sqrt\Delta}{2a}\\\\\Delta=5^2-4\cdot2\cdot2=25-16=9;\ \sqrt\Delta=\sqrt9=3\\\\t_1=\frac{-5-3}{2\cdot2}=\frac{-8}{4}=-2;\ t_2=\frac{-5+3}{2\cdot2}=\frac{-2}{4}=-\frac{1}{2}\\\\2t^2+5t+2=2(x+2)(x+\frac{1}{2})
5 0
3 years ago
Find the GCF of 34 and 90
Nana76 [90]

Answer:

GCF is 2

Step-by-step explanation:

Factoring 34 leaves only 2 and 17.

90 is not divisible by 17 thus the GCF is 2.

6 0
3 years ago
An atom has 24 protons and 12 neutrons what is the chemical symbol for the atom?
kykrilka [37]

<u>Answer:</u>

The element is Chromium.

<u>Explanation:</u>

The atom has 24 protons and 12 neutrons.

We know that Cr has 24 number of protons, to the Chemical is Cr (Chromium)

Again, we know that the atomic number is the number of protons and the atomic mass is the sum of proton and neutron.

So, the atomic number is 24 and the atomic mass is (24+12)= 36

Therefore, the symbol is \bold^{36} \mathrm{Cr}_{24}\bold

4 0
3 years ago
The net below depicts a triangular prism. What is the total surface area of the prism?
Illusion [34]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
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Daniel and Sofia both solve this system of equations:
yarga [219]

You, too, can read the graph and determine that the second selection is appropriate. Or, you can graph it yourself and determine the (one) correct solution.

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3 years ago
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