Make a ten or hundred to add mentally 198+132

Answers

Answer 1

Answer: 2000. Because if you add the 2 it will make 1200, 2+8 is 10 so you carry the 1, and 3+9 is 12 then you add the 1 you got from 10 and you have 13. then you add 1+1 and get 2 and add the 1 you got from 13 so there you have it.

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The function y=3.5x+2.8 represents the cost in y ( dollars ) of a taxi ride of x miles. You have enough money to travel at most 20 miles in the taxi. Find the domain and range of the function. I don't understand how to get both the domain and range at the same time.
Use compatible numbers to estimate the quotient 315 divided by 8 answer quickly thank you!

Can you help with deltamath

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Yea what do you need help with

~~~30 POINTS~~~
Please answer these three math questions!

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9. I think Austin has more rainfall.
10. Both cities have unguessable rainfalls.
11. I predict the rainfall will continue going high, then low, then high, then low.

In triangle XYZ, angle Z is a right angle. If sinX = 3/4, find tan Y.

Answers

ANSWER

${ \tan(y) } = ( √(7) )/(3)$

EXPLANATION

$\sin(X )= (3)/(4)$

$\sin(X )= (opposite)/(hypotenuse)$

This implies that the opposite is 3 units and the hypotenuse is 4 units.

We now find the adjacent side using the Pythagoras Theorem.

${a}^(2) + {o}^(2) = {h}^(2)$

${a}^(2) + {3}^(2) = {4}^(2)$

${a}^(2) + 9 =16$

${a}^(2) =16 - 9$

${a}^(2) = 7$

${a}= √(7)$

${ \tan(y) } = (opposite)/(adjacent)$

The side opposite to Y is √7 and the side adjacent to Y is 3.

${ \tan(y) } = ( √(7) )/(3)$

8.0007 * 10 to the 6 power

Answers

Answer: 8000700

Step-by-step explanation:

10 to the 6th power is 100000

1000000 * 8.0007 = 8000700

Find the first four terms of the sequence given by the following.an = 32+(n-1)-3, n=1, 2, 3...

Answers

The first four terms are 32,29,26,23

Step-by-step explanation:

Given sequence is:

$a_n=32+(n-1)(-3)\n$

We will put n=1,2,3,4

Putting n=1 in formula of sequence

$a_1=32+(1-1)(-3)\n=32+(0)(-3)\n=32+0\n=32$

Putting n=2

$a_2=32+(2-1)(-3)\n=32+(1)(-3)\n=32-3\n=29$

Putting n=3

$a_3=32+(3-1)(-3)\n=32+(2)(-3)\n=32-6\n=26$

Putting n=4

$a_4=32+(4-1)(-3)\n=32+(3)(-3)\n=32-9\n=23$

The first four terms are 32,29,26,23

Keywords: Arithmetic sequence, Recursive Formula

Learn more about arithmetic sequence at:

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The sum of two numbers is 200 and the two numbers are in a ratio of 4:6. Find the larger number.

Answers

Let's call these numbers 4x and 6x, sum of 4x and 6x will be equal to 200, meaning 10x=200, If we divide both sides by 10, x will be equal to 20 and, the larger number 6x will be equal to, 6*20=120

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