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3 years ago

HELP!!! PLEASE HELP ME!

Mathematics

1 answer:

Karolina [17]3 years ago

3 0

5+2+7
Hope this helps

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Points X and Z are on a number line, and point Y partitions

abruzzese [7]

Answer:

The coordinate of $Z$ is 13.36.

Step-by-step explanation:

According to the statement, we have the following information:

$\frac{XY}{XZ} = \frac{5}{12}$ (1)

$\frac{YZ}{XZ} = \frac{7}{12}$ (2)

$X = 0.4$ (3)

$Y = 5.8$ (4)

From (2), we have the following expression:

$YZ = \frac{7}{12}\cdot XZ$

$Y-Z =\frac{7}{12}\cdot (X-Z)$

$Y - Z = \frac{7}{12}\cdot X -\frac{7}{12}\cdot Z$

$Y-\frac{7}{12}\cdot X = Z-\frac{7}{12}\cdot Z$

$\frac{5}{12}\cdot Z = Y-\frac{7}{12}\cdot X$

$5\cdot Z = 12\cdot Y-7\cdot X$

$Z = \frac{12}{5}\cdot Y-\frac{7}{5}\cdot X$ (5)

If we know that $Y = 5.8$ and $X = 0.4$ , then the coordinate of $Z$ is:

$Z = \frac{12}{5}\cdot (5.8)-\frac{7}{5}\cdot (0.4)$

$Z = 13.36$

The coordinate of $Z$ is 13.36.

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3 years ago

Is the result of Double 5 and add 1 the same as the result of Add 1 to 5; then double the result?

just olya [345]

B. Double 5 plus 1 equals 11 and add 1 to 5 doubled equals 12.

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3 years ago

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Name the property that is shown by the following expression (9x3)x4=9x(3x4)

o-na [289]

Answer:

factorisation

Step-by-step explanation:

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3 years ago

If Gabby wants to buy a t-shirt for $35.99 but she has a discount for 10% off, how much is her final cost?

Leno4ka [110]

Answer:

It's $32.39.

Step-by-step explanation:

35.99 - 35.99*10% =

=35.99 - 35.99*0.1

=35.99 - 3.599

=32.391

32.391 is close to 32.39 so we will round it to that number.

The answer is $32.39.

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3 years ago

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Write the contrapositive of the conditional statement. If a shape is a rhombus, then it has four congruent sides.

NikAS [45]

If the figure does not have four congruent sides, then the shape is not a rhombus.

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3 years ago