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kow [346]
3 years ago
15

Which diagram shows the most useful positioning and accurate labeling of a rhombus in the coordinate plane?

Mathematics
1 answer:
makkiz [27]3 years ago
8 0
Based on the given diagrams posted above, the diagram that shows the most useful positioning and accurate labeling of a rhombus in the coordinate plane would be the second option or option B. A rhombus is <span>any parallelogram with equal sides, including a square. Hope this answer helps.</span>
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A lab technician needs 35 ml of 15% base solution for a certain experiment,
kirza4 [7]

Answer:

17.5ml- of 10 percent solution, 17.5ml- of 20 percent solution

Step-by-step explanation:

35:100*15=5.25- ml of alkali in the base solution

Suppose we need x ml of 10 percents solution and 35-x - of 20 percents.

Then The quantity of alkali in the first one (10 percents) is x/100*10=0.1x

when in the second one we have (35-x)/100*20= 7-0.2x of alkali

0.1x+7-0.2x=5.25

7-0.1x= 5.25

0.1x=1.75

x=17.5- 0f 10 percents

35-17.5=17.5 - of 20 percents

5 0
3 years ago
Does anyone know this answer??
andrezito [222]

Answer:

(2, -9)

Step-by-step explanation:

2 - (-9) > 8      First, substitute the values for x and y.

2 + 9 > 8        

11 > 8              The inequality is true, so (2, -9) is the correct pair.

4 0
3 years ago
Read 2 more answers
In ΔPQR, \overline{PR} PR is extended through point R to point S, \text{m}\angle QRS = (4x-15)^{\circ}m∠QRS=(4x−15) ∘ , \text{m}
mixas84 [53]

Answer:

Step-by-step explanation:

Notice that, the angle QRS is external to the triangle and adjacent to the angle PRQ. According to the theorem of a external/adjacent angle, we have: m∠QRS = m∠PQR + m∠RPQ, where PQR and RPQ are internal angles.

From the hypothesis, we have:

m∠QRS =(10x−12)∘(10x−12)

m∠PQR = (3x+20)∘(3x+20)

m∠RPQ=(3x−8)∘(3x−8)

Using the first equation and replacing the hypothesis:

m∠QRS = m∠PQR + m∠RPQ

(10x−12)∘(10x−12) = (3x+20)∘(3x+20) + (3x−8)∘(3x−8)

Multiplying and applying the remarkable identity:

Then, we use a calculator to find the roots, which are:

In this case, we will see what root is the right one.

Now, we replace it into m∠QRS =(10x−12)∘(10x−12), because we need to find m∠QRS.

m∠QRS =(10x−12)∘(10x−12) = (10(4.7) - 12) (10(4.7) - 12) = (35) (35) = 1225

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A rectangle has a width of 10 ft and a length of 40ft . What is the length of the side of a square with the same area ?
Anestetic [448]
Area=length times width
area=10 times 40=400

squarearea=side^2
400=side^2
sqrt both sides
20=side

answer is 20ft
3 0
3 years ago
The graph below represents functions f(x) and g(x).
Lunna [17]

Answer:

g

Step-by-step explanation:

3x

8 0
3 years ago
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