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Otrada [13]
3 years ago
10

Heeeelp just need 1 and 3

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer: I think the answer is.  x=y*z I dont know what the verbles are but thats what I got. ANd can you zoom in a bit?

Step-by-step explanation:

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The above figure is a special trapezoid. Explain the relationship between the mB and mC
artcher [175]

Answer:

They are supplementary

Step-by-step explanation:

Since AB and DC are parallel, then the alternate interior angles are congruent because there is transversal cutting the parallel lines (BC). So m<B is supplementary to m<C

6 0
3 years ago
Which expression is equivalent to 9^-2?<br> O-81<br> O-18<br> O1/81<br> O1/18
kherson [118]

Answer:

Option C - 1/81

Step-by-step explanation:

9^(-2) = 1/(9^2) [ Because a^(-m) = 1/(a^m) ]

so, 1/(9²) = 1/81.

Hope this helps you.

5 0
3 years ago
Joanna ran a mile in physical education class. After resting for one hour, her heart rate was 60 beats per minute. If her heart
umka2103 [35]
<span>Let x be Joanna's heart rate immediately after running one mile. After this heart rate x decreased by 2 over 5, Joanna's heart rate was 60 beats per minute. We can set up an equation to solve this question. x - (2/5) x = 60 (3/5) x = 60 x = (5/3) 60 x = 300 / 3 x = 100 Joanna's heart rate immediately after running one mile was 100 beats per minute.</span>
8 0
3 years ago
Find the value of z.
san4es73 [151]

Answer:

Option D, 110

Step-by-step explanation:

first we find x

10x+20-80=2(2x+15)

or, x=15

now, 10x+20 = 170

so, z = 360-170-80 = 110

7 0
3 years ago
Which function is nonlinear? A.9y+3=0 B. y-4x=1 C.y=2+6x4 D.x-2y=7 E.x/y+1=2
Sunny_sXe [5.5K]

Answer:

c

Step-by-step explanation:

5 0
2 years ago
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