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torisob [31]
3 years ago
5

How do you add numbers? Please help i am 1st graders

Mathematics
1 answer:
Grace [21]3 years ago
5 0

Answer:

you use ur fingers

Step-by-step explanation:

put a few fingers up and then put another few fingers up and then u put them together.

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8,100 divided by 9= 90. Yes or No?
madam [21]
No
Because, 8,100÷9=900
5 0
3 years ago
Read 2 more answers
Simplyfiy3 3/4 x 1 1/5
Troyanec [42]

Answer:

15/4 6/5

Step-by-step explanation:

there simplified

7 0
3 years ago
the ratio of the angle measures of a triangle are 3:3:4 what angle measures the triangles classification ​
TEA [102]

Step-by-step explanation:

sum of the ratio=3+3+4=10

now,

angle I = 3/10×180=54

angle II= 3/10×180=54

angle III=4/10×180=72

that shows th given triangle is isoceles

6 0
2 years ago
How many complex zeros does the polynomial function have?<br> f(x)=−3x^6−2x^4+5x+6
REY [17]

one way would be to factor

I can't factor it so we will have to use Descartes' Rule of Signs which is helpful for finding how many real roots you have


it goes like this:

for a polynomial with real coefients, consider f(x)=-3x^6-2x^4+5x+6.

after arranging the terms in decending order in terms of degree, count how many times the signs of the coeffients change direction and minus 2 from that number until you get to 1 or 0. that will be the number of even roots the function can have

We have (-, -, +, +). the signs changed 1 times, so it has 1 real positive root


to get the negative roots, we evaluate f(-x) and see how many times the root changes

f(-x)=-3x^6-2x^4-5x+6

signs are (-, -, -, +). there was 1 change in sign

so the function has 1 real negative root



a total of 2 real roots


a function of degree n can have at most, n roots


our function is degree 6 so it has 6 roots

if 2 are real, then the others must be complex

6-2=4 so there are 4 complex roots


you can also show that there are only 2 real roots by using a graphing utility to see that there are only 2 real roots

7 0
3 years ago
2. to which subsets of real numbers does number -22 belong? choose all subjects that apply A) Whole numbers B) Rational numbers
nexus9112 [7]
-22 belongs to Integers
3 0
2 years ago
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