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Rudik [331]
3 years ago
13

Callie solved this one-variable equation. When she was done, she tried to verify her answer, but found that it was wrong. Can yo

u find her mistake? 1 2 (4k + 8) = 10 1. 2k + 16 = 10 2. 2k = −6 3. k = −3 What was Callie’s mistake? Callie should have added 10 to both sides in step 2. In step 1, when Callie distributed the One-half to the 8, she multiplied incorrectly. Callie divided by 2 instead of multiplying by 2 in step 3. Callie should have added 16 to both sides in step 2.
Mathematics
2 answers:
Molodets [167]3 years ago
5 0

Answer: it is B or number 2

Step-by-step explanation:

I just did it and got it right

Taya2010 [7]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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Please answer ASAP. will give brainliest
Margarita [4]

12 × 12=144

12 × 20 = 240

240 + 144 = 384

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3 years ago
What is the equation of a line passing through (-3,7) and having a slope of -1/5<br> PLEASE HELP
OLEGan [10]

Answer:

y = -1/5x +32/5

Step-by-step explanation:

The slope intercept form of the equation of a line is

y = mx+b

we know m = -1/5

y = -1/5x+b

We know a x and y on the line

7 = -1/5(-3) +b

7 = 3/5 +b

Subtract 3/5 from each side

35/5 -3/5 = b

32/5 =b

So the equation is

y = -1/5x +32/5

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3 years ago
An ambulance has a mass of 5.44×10^5 ounces.
earnstyle [38]
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3 years ago
20 pts. Which statement is true of triangles FGH and JKL?
Tanya [424]

Answer:

<em>△DEF ~ △GHI</em>

<em></em>

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3 0
4 years ago
Read 2 more answers
At the candy store there are 420 gumdrops and 280 chocolate bars, for a total of 700 candies all together. What is the ratio of
Mekhanik [1.2K]

Answer:

5 : 2

Step-by-step explanation:

Given that:

Number of gumdrops = 420

Number of chocolate bars = 280

Total Number of candies = 700

To find:

The ratio of candies to chocolate bars = ?

Solution:

First of all, let us discuss the method to find the ratio of any two quantities.

Suppose, we need to find the ratio of two numbers p and q.

Then to find the ratio p:q , we need to divide p by q and represent it in the simplest form \frac{a}{b} such that a and b can not be divided further.

Here, to find the ratio of candies to chocolate bar:

Ratio = \dfrac{\text{Number of candies}}{\text{Number of chocolate bars}}\\\Rightarrow \dfrac{700}{280}

Here, we can simplify the fraction by dividing the numerator and denominator by 10 first:

\dfrac{70}{28}

Now, let us divide the numerator and denominator by 14:

\dfrac{5}{2}

So, the ratio is <em>5 : 2</em>

6 0
3 years ago
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