3 years ago

Determine the sum -46.38 (-24.6)

1 answer:

8 0

Well, this equation as a sum would be -46.38 + -24.6
so the answer would be -70.98.

I hope this helps, and have a fantastic day!

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A rectangle has a perimeter of 54 cm. It has a length of 15 cm. What is its area? *

d1i1m1o1n [39]

the area is 180 cm. to find the perimeter you would do 15+15+14+14 to get 54 cm. So for area you do (l×w) which is 15×14=180.

5 0

3 years ago

2(3x+1)≤20 and 4(x−1)<2.

JulsSmile [24]

Answer:

this Answer is

Step-by-step explanation:

2(3x+1) ≤ 20

6x+1≤20

6x≤19

x≤19/6

4(x−1)<2

4x-1<2

4x< 3

x< 3/ 4

8 0

2 years ago

Round up to the nearest hundredth

Shalnov [3]

$x^2+3x-5=0\\\\a=1;\ b=3;\ c=-5\\\\b^2-4ac=3^2-4\cdot1\cdot(-5)=9+20=29\\\\x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\x_1=\dfrac{-3-\sqrt{29}}{2\cdot1}=\dfrac{-3-\sqrt{29}}{2}\approx-4.19\\\\x_2=\dfrac{-3+\sqrt{29}}{2\cdot1}=\dfrac{-3+\sqrt{29}}{2}\approx1.19$