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3 years ago

Order the following decimals in order from least to greatest 3.5 3.57 -2.34 -2.3 4.21 4.233

Mathematics

2 answers:

baherus [9]3 years ago

6 0

-2.34, -2.3, 3.5, 3.57, 4.21, 4.233

ser-zykov [4K]3 years ago

5 0

-2.34, -2.3, 3.5, 3.57, 4.21, and 4.233

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Find the ratio that is equivalent to 10:5. OA) 15:5 OB) 5:10 OC) 2:1 OD 5:1

Vesnalui [34]

Answer:

OB) 2:1

Step-by-step explanation:

5 can go into 10 twice and 5 can go into itself once

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3 years ago

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Which is a multiple of 15

serious [3.7K]

Multiples of 15 are: 15,30,45,60,75,90,105,120,135,150,165,180,195,210,225,240,255,270,285,300,315,330,345,360,375,390,405,420,435,450,465,480,495,510,525,540,555,570,585,600,615,630,645,660,675,690,705,720,735,

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3 years ago

What is the area of the rectangle? shoe your work! do not round anything until the very end and round your final answer to the t

weeeeeb [17]

Answer:

The area of the rectangle is 42 units^2

Step-by-step explanation:

we know that

The area of rectangle is equal to

$A=LW$

In this problem

AB=DC

BC=AD

see the attached figure with letters to better understand the problem

we have that

$L=BC\\W=AB$

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have the points

$A(2,-1),B(5,2),C(12,-5),D(9,-8)$

Find out the distance BC

we have

$B(5,2),C(12,-5)$

substitute in the formula

$d=\sqrt{(-5-2)^{2}+(12-5)^{2}}$

$d=\sqrt{(-7)^{2}+(7)^{2}}$

$d_B_C=\sqrt{98}\ units$

Find out the distance AB

we have

$A(2,-1),B(5,2)$

substitute in the formula

$d=\sqrt{(2+1)^{2}+(5-2)^{2}}$

$d=\sqrt{(3)^{2}+(3)^{2}}$

$d_A_B=\sqrt{18}\ units$

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$A=(L)(W)$

we have

$L=d_B_C=\sqrt{98}\ units$

$W=d_A_B=\sqrt{18}\ units$

substitute

$A=(\sqrt{98})(\sqrt{18})=42.0\ units^2$

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3 years ago

Solve elimination method 3x+4y=0 and x - 2y =-5

Alla [95]

Answer:

x=−2 and y=3/2

Step-by-step explanation:

see picture

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2 years ago

How many gallons of orange juice worth $1.70 per gallon should be mixed with 100 gallons worth $2.20 per gallon to produce a mix

faust18 [17]

Answer:

25 gallons

Step-by-step explanation:

Let x be the number of gallons of orange juice worth $1.70 per gallon, then x gallons are worth $1.70x.

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Total cost is

$\$1.70x+\$220$

Together we will get x + 100 gallons of a mixture. This mixture we will sell for $2.10 per gallon, so, x + 100 gallons of mixture is worth $2.10(x + 100).

Thus,

$1.70x+220=2.10(x+100)\\ \\17x+2,200=21(x+100)\ [\text{Multiplied by 10}]\\ \\17x+2,200=21x+2,100\\ \\17x-21x=2,100-2,200\\ \\-4x=-100\\ \\4x=100\\ \\x=25$

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3 years ago

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