3 years ago

1 kg of seawater contains, on average, 35 g of salt. How many grams of seawater contains 4.2 g of salt?

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

7 0

120 g of seawater. If you need the work I can send a picture

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A triangle has two sides of length 1 and 2. What compound inequality describes the possible lengths for the third side, x?Write

klemol [59]

Step-by-step explanation:

since in a triangle each side must be shorter than the sum of the other 2 sides (otherwise the end points cannot connect, and there is no triangle), the necessary inequality condition must be

side < 1 + 2 = 3

so,

side < 3

for a lower limit let's go through the cases

1 < 2 + side (is always true)

2 < 1 + side

1 < side (side must be larger than 1)

and again

side < 1 + 2 = 3

side < 3

so the full restriction for the third side is

1 < side < 3

7 0

2 years ago

The sum of two numbers is 10. The difference between three times the first number and twice the second number is 20. Find the tw

77julia77 [94]

Answer:

one number x= 16

other number y = 4

7 0

3 years ago

What is the area of rhombus ABCD? Enter your answer in the box. Do not round at any steps.

Mrac [35]

Answer:

Area of the rhombus ABCD = 16 square units

Step-by-step explanation:

Area of a rhombus = $\frac{1}{2}(\text{Diagonal 1})(\text{Diagonal 2})$

From the graph attached,

Diagonal 1 = Distance between the points A and C

Diagonal 2 = Distance between the points B and D

Length of a segment between (x₁, y₁) and (x₂, y₂) = $\sqrt{(x_2-x_1)^{2}+(y_2-y_1)^2 }$

Diagonal 1 (AC) = $\sqrt{(4-0)^2+(-1+1)^2}$ = 4 units

Diagonal 2(BD) = $\sqrt{(2-2)^2+(3+5)^2}$ = 8 units

Now area of the rhombus ABCD = $\frac{1}{2}(\text{AC})(\text{BD})$

= $\frac{1}{2}\times 4\times 8$

= 16 units²

Therefore, area of the given rhombus is 16 units².

5 0

3 years ago

What is the answer?<br><br> Y= -x-4 <br> Y=x

Mashcka [7]

Do you mean like this?

Y = -x - 4
Y = x

x = -x - 4
2x = -4
x = -2

Therefore y = -2

7 0

3 years ago

A teacher takes a random sample of 100 students enrolled at Springfield High School and asks them their opinions about the food

Reil [10]

The answer is C. All students enrolled at Springfield high school.

8 0

3 years ago