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jenyasd209 [6]
3 years ago
15

This person did something wrong and I do not know what it is :( Please help this is for points!

Mathematics
1 answer:
Arlecino [84]3 years ago
5 0

Answer:

0.4 cm

Step-by-step explanation:

The magnifying glass basically zooms into smaller objects. If the insect appears to be 2cm, then it is actually smaller than this. It cannot be 10 cm.

If the scale factor is 5, then this means that the insect is zoomed in 5 times through the magnifying glass. Use the following ratio:

\frac{2}{5}

This fraction can also be seen as division, so:

2÷5=0.4

The insect is actually 0.4 cm long.

(or 4 millimeters)

:Done

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Santino bought a 3 3/7 Lb bag of chocolate chips. He used 2/3 of the bag while baking. How many pounds did he use while baking a
Stolb23 [73]

Answer:

2 2/7

Step-by-step explanation:

3 3/7 ÷ 3 = 1 1/7, 1 1/7 x 2 = 2 2/7

3 0
3 years ago
The equations -6x + 3y = 6 and x² + y = 10 intersect at the
eimsori [14]

The values of the letters in coordinates (a, b) and (c,d) are;

<u><em>a = -4</em></u>

<u><em>b = -6</em></u>

<u><em>c = 2</em></u>

<u><em>d = 6</em></u>

<u><em /></u>

We are given two equations;

-6x + 3y = 6  ---(eq 1)

x² + y = 10 ---(eq 2)

  • We are told that they intersect at coordinates; (a, b) and (c, d).

Let us make y the subject in eq 2 to get;

y = 10 - x²  --(eq 3)

  • Let us put 10 - x² into eq 1 to get;

-6x + 3(10 - x²) = 6

expanding further gives;

-6x + 30 - 3x² = 6

rearranging gives;

3x² + 6x - 24 = 0

Using online quadratic equation <em>solver</em>, we have;

x = -4 and x = 2

Putting x = -4 into eq 3 gives;

y = 10 - (-4)²

y = 10 - 16

y = -6

Putting x = 2 into eq 3 gives;

y = 10 - (2)²

y = 10 - 4

y = 6

  • Thus, the coordinates are; (-4, -6) and (2, 6)

Comparing with (a, b) and (c,d), we have;

a = -4

b = -6

c = 2

d = 6

Read more at; brainly.com/question/15165519

5 0
2 years ago
Determine which region contains the solution to the system
yawa3891 [41]
The correct answer is letter D, Region D contains the solution for the system of inequalities.
8 0
3 years ago
What is the rate of change for 2,806 miles?
Soloha48 [4]
More information is needed to answer this question.
4 0
3 years ago
Explain how you solved for x to in problem 12.
pashok25 [27]

Answer:

x=2

Step-by-step explanation:

6^x^10  = 6^12^2 / 6^4

We know a^b^c = a^(b*c)

6^ 10x = 6^(12*2) / 6^4

6^ 10x = 6^(24) / 6^4

We know a^b / a^c = a^(b-c)

6^ 10x = 6^(24 -4)

6^ 10x = 6^(20)

Since the bases are the same, the exponents are the same

10x = 20

Divide each side by 10

10x/10 = 20/10

x=2

5 0
3 years ago
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