3 years ago

What is the estimate of 405?

Mathematics

2 answers:

mario62 [17]3 years ago

6 0

Answer:

400

Step-by-step explanation:

pav-90 [236]3 years ago

3 0

Answer:

400

Step-by-step explanation:

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Solve 0= 2t^3-21t^2+ 40t

sukhopar [10]

$0=2t^3-21^2+40t$
switch sides
$2t^3-21t^2+40t=0$
solve factoring
$t(t-8)(2t-5)=0$
using the zero factor principle
$t=0
$
solve
$t-8=0:t=8$
solve
$2t-5=0:t= \frac{5}{2}$
$t=0,t=8,t= \frac{5}{2}$
Hope this helps

4 0

3 years ago

Write an equation for the line that passes through the point (5, -4) and is parallel to the line y =

wel

Answer:
y = 2x - 14

5 0

3 years ago

Can someone help me here ASAP? this question is worth 20 points. will mark the brainliest, thank you so much in advanced.

worty [1.4K]

Answer:

1. a) (1-1) (1-2) (1-3) (2-1) (2-2) (3-1)

2. a) (5-1) (5-2) (5-3) (5-4) (5-5) (5-6)

3. d) (1-3) (2-3) (3-1) (3-2) (3-4) (3-5) (3-6) (4-3) (5-3) (6-3)

Step-by-step explanation:

1. added the numbers in the parenthesis and A had all of the sums less than 5

2. A had all the 5s in the first spot

3. D had the 3s in each parenthesis

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3 years ago

If 9% of a number equals 10, find 90% of that number.

rodikova [14]

The answer is 100 % because it’s the same but with two zeros

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3 years ago

What is the slope.........................

IrinaK [193]

Y=2x+6
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2 years ago