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Goryan [66]
3 years ago
9

Equivalent expression 5(2)=

Mathematics
1 answer:
german3 years ago
6 0

Answer:

2 times 5 what do you mean by equal

Step-by-step explanation:

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Joel has d dimes and q quarters with a total value of $25.50. Which equation represents the total amount in dollars in terms of
ElenaW [278]

Answer:

10d + 25q = $25.50

Hope this helps

4 0
2 years ago
What is the answer to 0.021 g = 21
sashaice [31]
0.021g = 21 mg (milligrams)
3 0
3 years ago
Which scale would produce the largest scale drawing of an object when compared to the actual object?
STatiana [176]

Covert the ratios so they are all the same measurement type.

A. 5 feet = 5 x 12 = 60 inches.

The scale becomes 1:60

B. 1:30

C. 12 yards = 12 x 3 = 36 feet x 12 = 432 inches.

The scale is 12:432  = 1:36

D. 1 meter = 39.37 inches.

1 inch = 2.54 cm

39.37 x 2.54 = 99.99 inches

The scale converted to inches becomes 1 :100 inches.

The first number would be the size of the drawing, the second number is the size of the actual object

If you use all 4 scale factors for a real object that is 100 inches:

A would need 100/60 = 1.67 inches.

B would need 100/30 = 3.3 inches.

C would need 100/36 = 2.78 inches.

D would need 100/100 = 1 inch.

The larger scaled drawing would be B.

7 0
3 years ago
Read 2 more answers
Are the ratios 3:6 and 6:3 equivalent? why or why not?
Mekhanik [1.2K]

Answer:

No

Step-by-step explanation:

3:6=1:2 and 6:3=2:1

6 0
3 years ago
Read 2 more answers
Use the arc length formula to find the length of the curve y = 4x − 5, −1 ≤ x ≤ 3. Check your answer by noting that the curve is
Reptile [31]

Answer:

4\sqrt{17}

Step-by-step explanation:

Let's find the answer by using the arc length formula which is:

\int\limits^a_b {\sqrt{1+(\frac{dy}{dx})^{2} } } \, dx

First, let's find dy/dx which is:

y=4x-5

y'=4*(1)-0

y'=4, now let's use the formula:

\int\limits^3_{-1} {\sqrt{1+4^{2}} } \, dx=\sqrt{17} *(3-(-1))=4\sqrt{17}

Now, using the distance formula we have:

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

y(-1)=4*(-1)-5=-9 \\y(3)=4*(3)-5=7

So we have two points (-1, -9) and (3, 7) so:

d=\sqrt{(3-(-1))^{2} +(7-(-9))^{2} }=4\sqrt{17}

Notice both equations gave the same length 4\sqrt{17}.

5 0
3 years ago
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