2 years ago

Write 15 and 40 ratio simplest form

Mathematics

1 answer:

alexandr402 [8]2 years ago

5 0

Answer:

15:40

Step-by-step explanation:

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Please can someone help me on these? solve this equation by factorising: 2x^2 + 5x + 2 = 0

slavikrds [6]

$2x^2 + 5x + 2 = 0\\
2x^2+4x+x+2=0\\
2x(x+2)+1(x+2)=0\\
(2x+1)(x+2)=0\\
x=-\frac{1}{2} \vee x=-2$

$x^2-4x+1=0\\
x^2-4x+4-3=0\\
(x-2)^2=3\\
x-2 =\sqrt3 \vee x-2=-\sqrt3\\
x=2+\sqrt3 \vee x=2-\sqrt3$

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2 years ago

A researcher was studying how the weights of horseshoe crabs along the East Coast vary between northern and southern habitats. I

Ronch [10]

Answer:

Option D (the weight of crab) would be the correct choice.

Step-by-step explanation:

In mathematics, the sum being analyzed depending on a variety of parameters, which have been calculated as explanatory variables, has become a response variable.
It is analogous with the utilization of the definition of variables of the study. A variable with an order to respond is categorized as either a dependent variable.

Some other preferences are not connected with the sustaining. So choice D is the right one.

6 0

3 years ago

An elevator has weight limit of 1 ton. There are 3 people inside the elevator. Each person weighs 150 pounds. How many pounds ca

drek231 [11]

Answer:

2000 Pounds

Step-by-step explanation:

There are 2000 pounds in a US ton.

There are 2240 pounds in an Imperial ton.

There are 2204.62 pounds in a metric ton.

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2 years ago

Which symbol correctly completes the statement? -7+2__3+(-) >,<, =

OlgaM077 [116]

Answer:

Step-by-step explanation:

Hope that helps!

4 0

2 years ago

Marcus sorts his 85 baseball cards into stacks of 9 cards each.How many stacks of 9 cards can Marcus make?4th grade homework

laiz [17]

9 stacks of cards and 4 cards left over because when you divide 85 by 9 you get 9.4. So you'd multiply just 9 to get 81 and 4 cards leftover

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2 years ago