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Anni [7]
3 years ago
14

Which expression means the same as "subtract 3 from 7 and then multiply by

Mathematics
2 answers:
FrozenT [24]3 years ago
7 0

Answer:

4 x (7 - 3)

Step-by-step explanation:

So you take away 3 from the sum of which you got from 7x4

babymother [125]3 years ago
4 0

Answer:

4 x (7 - 3) is the correct option

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Find the area of the polygon.
nignag [31]

Answer:

35 sq units

Step-by-step explanation:

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3 years ago
The midpoint of PQ is M(, –1). One endpoint is Q(3, –5). Which equations can be solved to determine the coordinates of P? Check
valkas [14]

<u>Comment</u>

If I don't know what was before the comma in M(, –1) I can't solve this

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3 years ago
Write an equation in slope-intercept form of the line that passes through the points (-6, -10) and (1,4).​
vova2212 [387]

Answer:

y = mx + 1/2

Step-by-step explanation:

(x,y)

- Plot each point on a graph

- The line should go from the bottom left (-6,-10) to the top right (1,4)

- Count how many spaces are on the y-axis from -6 to 1 for numerator

- Count how many spaces are on the x-axis from -10 to 4 for denominator

- Positive slope

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- Simplify to 1/2

7 0
3 years ago
Researchers would like to test if the mean bone mineral density is different for the three different groups. Conduct an ANOVA te
laiz [17]

Answer:

<em>H</em>₀: <em>μ₁ = μ₂= μ₃</em>

<em>Hₐ: </em>At least one of the means is different.

Step-by-step explanation:

Analysis of variance or ANOVA test is used to determine whether the means of different groups are similar or not.

The hypothesis of an ANOVA test for <em>n</em> homogeneous groups is:

H_{0}: \mu_{1}= \mu_{2}= \mu_{3}...= \mu_{n}\\H_{a}: At\ least\ one\ of\ the\ means\ is\ different

In this case the researcher is testing whether the mean bone mineral density is different for the three different groups.

The hypothesis for this test can be defined as follows:

<em>H</em>₀: The mean bone mineral density is not different for the three different groups, i.e. <em>μ₁ = μ₂= μ₃</em>

<em>Hₐ: </em>The mean bone mineral density is different for the three different groups, i.e. at least one of the means is different.

3 0
3 years ago
Which inequality is shown on this number line?
shutvik [7]

Answer:

Less than 26 (>26)

Step-by-step explanation:

3 0
3 years ago
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