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garri49 [273]
2 years ago
10

Y=4, -4y + 5 evaluate it please​

Mathematics
1 answer:
Shtirlitz [24]2 years ago
8 0

Answer:

Step-by-step explanation:

=

4

−

4

+

5

=

9

−

4

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For questions 13 – 15, find x so that q || r. State the converse used.
Grace [21]

Answer:

13. x = 7 ; Converse : Alternate interior angles are equal .

14.  x=12; Converse used : Linear pair

15.  x = 23; Converse: Corresponding angles are equal

Step-by-step explanation:

13.

Refer the attached figure

Given: q || r

\angle CBE =\angle DEB (Alternate interior angles )

So,  15x+3=108

15x=108-3

15x=105

x=\frac{105}{15}

x=7

So, x = 7 ; Converse : Alternate interior angles are equal .

14.

Refer the attached figure

Given q||r

\angle PQT = \angle STQ (Alternate interior angles

So,\angle PQT = \angle STQ=11x-28

Now\angle UTQ + \angle STQ = 180^{\circ}(Linear pair)

So,7x-8+11x-28=180

18x-36= 180

18x=216

x=\frac{216}{18}

x=12

So, x=12; Converse used : Linear pair

15.

Refer the attached figure

Given q||r

\angle BDC+\angle CDE = 90+2x

\angle BDE=\angle PBC(corresponding angles)

90+2x=5x+21

90-21=5x-2x

69=3x

23=x

So, x = 23; Converse: Corresponding angles are equal

5 0
3 years ago
Is this right I just need a yes or no answer (working on slope)
sveticcg [70]
Neither is correct. please try again and re-ask for answers or hint.
4 0
3 years ago
De -{3X+8-[-15+6X-(-3X+2)-5X+4]-29}=-5
lianna [129]
X = -13 :)

( there needs to be 20 characters)
8 0
3 years ago
Ann thought of a number N, multiplied it by 5 and added 7. Then she told the result R to Jim. A Find the domain and the range of
prohojiy [21]

Answer:

-∞ < x < ∞

-∞ < y <∞

Step-by-step explanation:

Suppose number is x

When Ann multiple it by 5 and added 7 to it the equation will be

= 5x + 7

The domain of a function is the complete set of possible values of the independent variable.

The range of a function is the spread of possible y-values (minimum y-value to maximum y-value)

<h2>Domain: </h2>

-∞ < x < ∞       Set of all integers

<h2>Range :</h2>

-∞ < y < ∞        Set of all integers

8 0
2 years ago
PLS HELP ME AND PLS DO NOT GETBIT WRONG (sorry guys I got some wrong that’s why I’m mad)
nikklg [1K]

Answer:

Yes

Step-by-step explanation:

divide by 6 on both sides

3 0
2 years ago
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