Will give points and brainliest

Mathematics

1 answer:

Sveta_85 [38]3 years ago

5 0

Where is the picture I so i can anwser

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timurjin [86]

Answer:

Angle S has a measure of 50°

Step-by-step explanation:

When comparing the angles of a triangle, they are written with the matching angles in the same order. (sorry for bad explanation here)

You have ∆ QRS as congruent to ∆ XYZ. This means angle Q is congruent to angle X, angle R is congruent to angle Y, and angle S is congruent to angle Z. <u>As you can see in ∆ XYZ, angle Z is 50°. Therefore, angle S and angle Z are both 50°</u> (but only angle S is an option)

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3 years ago

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alexandr1967 [171]

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Step-by-step explanation:bbgghu

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3 years ago

In DEF, FE=13 and m(angle)F=34. Find DF to the nearest tenth

kiruha [24]

A.15.7
is the answer because fe is 13

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4 years ago

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Four pairs of shoes cost $80 what is the cost of seven pairs of shoes

anzhelika [568]

80 divided by 4 is 20

$20 times 7 shoes is

$140

Hope this helps!

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3 years ago

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The lines 2x=ky+2 and (k+1)x=6y-3 have same gradient. Find possible values of k

faust18 [17]

Answer:

k = 3 or k = -4

(Anyone can correct me if I'm wrong)

Step-by-step explanation:

$2x=ky+2\to\ eq1\\(k+1)x=6y-3\to\ eq2\\$Change to this form: $y=mx+c\\ky=2x-2\\y=\frac{2x-2}{k}\\$gradient of eq1: $\frac{2}{k}\\6y=(k+1)x+3\\y=\frac{(k+1)x+3}{6}\\y=\frac{k+1}{6} x+\frac{3}{6}\\y= \frac{k+1}{6} x+\frac{1}{2}\\$gradient of eq1: $\frac{k+1}{6}\\$Since gradient, m, is the same for both lines,$\\\frac{2}{k}=\frac{k+1}{6}\\12=k^{2}+k\\k^{2}+k-12=0\\(k-3)(k+4)=0\\k=3 $ or $ k=-4$

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3 years ago