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ki77a [65]
3 years ago
11

Estimate 38.6+4.3 to the nearest 10​

Mathematics
1 answer:
almond37 [142]3 years ago
6 0
The awnser to the question is 40.0
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What is the value of x? Enter your answer in the box.
AleksAgata [21]

Answer:

89

Step-by-step explanation:

Just add the numbers, put them into the formula, and then divide. SO EASY!!!

4 0
3 years ago
34 – 16 = ?<br> Tens Ones
Lorico [155]

Answer:

1 ten

8 ones

Step-by-step explanation:

34 - 16 is 18. Therefore, you need 1 ten and 8 ones to make the number 18.

4 0
3 years ago
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.9 bpm. For a random sample of 134 adult males, th
LenaWriter [7]

Part A. Express the original claim in symbolic form.

Claim: <em>The mean pulse rate (in beats per minute) of adult males is equal to 68.9 bpm.</em>

<em />

<em>Therefore, the original claim in symbolic form is:</em>

ANSWER:

\mu=68.9\text{ bpm}

Part B. Identify the null and alternative hypotheses.

\begin{gathered} H_0\colon\text{ }\mu=68.9\text{ bpm} \\ H_1\colon\mu\ne68.9\text{ bpm} \end{gathered}\begin{gathered} H_0\text{ or the null hypothesis will be based to our claim. We will test if the mean pulse} \\ \text{rate of an adult male is equal to 68.9 bpm.} \\ H_1\text{ or the alternative hypothesis is the one that contradicts the null hypothesis. That is } \\ \text{why our H}_a\text{ has the sign of not equal to (}\ne). \end{gathered}

<em />

6 0
2 years ago
-1/2w-3/3=1/3w<br> been struggling with the longest time. please help
algol13

Answer:

-6/5 = w

Step-by-step explanation:

-1/2w-3/3=1/3w

Add 1/2 w to each side

-1/2w+ 1/2 w -3/3=1/3w+ 1/2 w

-3/3 = 1/3w+ 1/2 w

-3/3 is 1

-1 = 1/3w+ 1/2 w

Get a common denominator for the right side of 6

-1 = 1/3*2/2 w + 1/2 *3/3 w

-1 = 2/6w + 3/6 w

-1 = 5/6 w

Multiply by 6/5 to isolate w

-1 *6/5 = 5/6*6/5 w

-6/5 = w

7 0
3 years ago
Delilah and a group of friends had excellent service at a restaurant. They would like to give the server a 25 percent gratuity o
garik1379 [7]

Answer:

Here we want to calculate the 25% of $140.

Well, first we assume that:

$140 = 100%.

Now, assuming that, we can write the equation:

X = 25%

Where X is the 25% of $140.

Then we have the equations:

$140 = 100%

X = 25%

Let's take the quotient between these equations:

$140/X = (100%/25%)

Now let's solve this for X:

X = (25%/100%)*$140 = 0.25*$140 = $35

Then the tip will be of $35

5 0
3 years ago
Read 2 more answers
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