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inysia [295]
3 years ago
8

Which graph best represents a system of equations that has no solution?

Mathematics
1 answer:
Naddika [18.5K]3 years ago
3 0

Answer: D

Step-by-step explanation: for each answer they were at least going to interact with each other, unlike answer D

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If the sum of 28% is 100.8, what is the sum
zzz [600]
$360. Divide 100.8 by .28

You can check your answer by multiplying .28 by 100.8
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3 years ago
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Find the measure of each angle if c||d show work
weeeeeb [17]

Answer:

Part a) <1=72°

Part b) <2=108°

Part c) <3=72°

Part d) <4=108°

Step-by-step explanation:

step 1

Find the measure of angle 1

we know that

<1+108°=180° -----> by supplementary angles

so

<1=180°-108°=72°

step 2

Find the measure angle 2

we know that

<2=108° -----> by corresponding angles

step 3

Find the measure angle 3

we know that

<3=<1-----> by corresponding angles

so

<3=72°

step 4

Find the measure angle 4

we know that

<4=108° -----> by alternate exterior angles

5 0
3 years ago
(2 to the power -1 ÷ 5 to the power- 1)2 × -5/8 to the power -1​
Luba_88 [7]

Answer:

-8

Step-by-step explanation

2 to the power of -1 = 0.5

5 to the power of -1 = 0.2

0.5/0.2 = 2.5

So,

(2.5)2 x -5/8 to the power of -1

-5/8 = -0.625

-0.625 to the power of -1 = -1.6

So,

(2.5)2 x -0.625

5 x -0.625

= -8

8 0
3 years ago
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A radio telescope has a parabolic surface, as shown below. A parabola opening up with vertex at the origin is graphed on the coo
Lelu [443]

Answer:

25m

Step-by-step explanation:

6 0
3 years ago
The temperature of a piece of Metal X with a mass of 95.4g increases from 25.0°C to 48.0°C as the metal absorbs 849 J of heat. W
Nataly_w [17]

Answer:

c = 0.38 J/g °C

Step-by-step explanation:

We have,

Mass of metal X is 95.4 g

Initial temperature was 25°C and final temperature is 48°C.

The metal absorbs 849 J of heat

The heat absorbed due to change in temperature is given by :

Q=mc\Delta T\\\\c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{849}{95.4\times (48-25)}\\\\c= 0.38\ J/g^{\circ} C

So, the specific heat of metal X is 0.38 J/g °C.

6 0
3 years ago
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