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joja [24]
3 years ago
8

1. Natalie graphed a system of equations with

Mathematics
1 answer:
Dima020 [189]3 years ago
8 0

Answer:

d.all of the above

Step-by-step explanation:

System of equations with no solution means that lines are parallel to each other,don have any common point.

Note that two lines are parallel if their slopes are equal and they have different y-intercepts.

So all the alternatives are true.

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Andre and Yazmeen leave at the same time and travel 75 miles to a fair. Andre drives 11 miles in 12 minutes. Yazmeen drives 26 m
coldgirl [10]
To get to know who will reach fast we need to compare the speed of Andre and Yazmeen. 
speed=distance/time
Andre's speed will be:

Distance=11 miles
time=12 min
speed=11/12=0.92 miles/min

Yazmeen's speed:
distance=26 miles
time=24min
speed=26/24=1.08 miles/min

From above calculation we conclude that Yazmeen will reach first because she was traveling at a faster speed that Andre

6 0
3 years ago
Please help asap math watch!!
babymother [125]

Answer:

  a) 150°

  b) 30°

Step-by-step explanation:

It is easier to work the exterior angle first.

<h3>b)</h3>

The sum of exterior angles is 360°. The exterior angle at any vertex of a regular dodecagon will be 1/12 that:

  360°/12 = 30° . . . the measure of one exterior angle

__

<h3>a)</h3>

The measure of an interior angle will be the supplement of the adjacent exterior angle.

  180° -30° = 150° . . . the measure of one interior angle

6 0
3 years ago
Factored form of 9x2+12x+4
satela [25.4K]
The factored form of 9x^2 + 12x + 4 is:

(3x+2)(3x+2) or (3x+2)^2
5 0
3 years ago
Read 2 more answers
Ollivanders stuffed bear shop has 456 bears in stock exactly half of them Are made from wool how many wool does Mr.oillvander ha
PtichkaEL [24]

Answer:

228 of them are made from wool, but there is no enough information to determine how many would he has in stock.

Step-by-step explanation:

Mr Ollivander's stuffed bear shop has 456 bears in stock, and exactly half of them are made from wool, this means that 1/2 of 456 are made from wool

1/2 of 456 = 1/2 × 456 = 456/2 = 228.

That is 228 of them are made from wool.

However, nothing tells us that this is all he has in his stock. There is no information available to determine how many would he has in stock.

7 0
3 years ago
Prove that 1+cosA/sinA + sinA/1+cosA=2cosecA
Alla [95]
\frac{1+cos\alpha}{sin\alpha}+\frac{sin\alpha}{1+cos\alpha}=2cosec\alpha\\\\L=\frac{(1+cos\alpha)(1+cos\alpha)+sin\alpha\cdot sin\alpha}{sin\alpha(1+cos\alpha)}=\frac{1+2cos\alpha+cos^2\alpha+sin^2\alpha}{sin\alpha(1+cos\alpha)}\\\\=\frac{1+2cos\alpha+1}{sin\alpha(1+cos\alpha)}=\frac{2+2cos\alpha}{sin\alpha(1+cos\alpha)}=\frac{2(1+cos\alpha)}{sin\alpha(1+cos\alpha)}\\\\=\frac{2}{sin\alpha}=2\cdot\frac{1}{sin\alpha}=2cosec\alpha=R
5 0
3 years ago
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