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3 years ago

What’s the bottom answer?

Mathematics

2 answers:

TEA [102]3 years ago

7 0

m<XYZ=120° => m<XYZ is an an obtuse angle, but the picture of m<XYZ is an acute angle

Sunny_sXe [5.5K]3 years ago

7 0

So the student read the wrong number from the angle measure on their protractor

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4x^4 - 6x^2 - 7 = 0 How can I factor it?

My name is Ann [436]

Answer:

You cannot solve by factoring

Step-by-step explanation:

We want to solve $4x^4-6x^2-7=0$ by factoring.

We can rewrite as: $4(x^2)^2-6x^2-7=0$

So we have a quadratic equation in $x^2$ .

We split the middle term to get:

We look for factors -28 that sum up to -6

This is not possible hence the given equation is not factorable

7 0

3 years ago

Which of the following square roots would not be between 7 and 8

bekas [8.4K]

Answer:

C, √45

Step-by-step explanation:

First, we can use process of elimination to get rid of A and D, since we know we're looking for a range, and only the highest or the lowest number is going to be outside of that range.

Now we simply have to run the remaining answers through our calculators. √62 is 7.87 and √45 is 6.71. Since 7.87 is between 7 and 8 and 6.71 is not, C must be our answer.

4 0

4 years ago

Read 2 more answers

Please help!!!! Need this ASAP!!! Thank you! I will give 100 points!

Darina [25.2K]

Answer:

2.03:no

2.05:no

2.04:yes

2.01:yes

2.02:yes

Step-by-step explanation:

5 0

4 years ago

Read 2 more answers

Plz help I’ll give branliest!!

Scilla [17]

K=2, because the bottom of the parabola shifted to the x value 2 from 0.

hope that helps

8 0

3 years ago

Use a proportion with sides AB and RS to find the scale factor of ABD to RST.

Dmitry_Shevchenko [17]

Answer:

$\boxed{3:1}$

Step-by-step explanation:

Similar triangles are those whose shape is the same, but they don't necessarily have the same size. However, the corresponding sides of the triangles are in the same length ratio. In this exercise, we know all the sides of triangle ΔABC and an only side of the triangle ΔRST. To find the scale factor, we must compute the following:

$\frac{AB}{RS}=\frac{18}{6}=3 \\ \\ Scale \ factor \\ \boxed{3:1}$

Finally, the other sides of the tingle ΔRST can be found by dividing each side of triangle ΔABC by 3 as follows:

$ST=\frac{15}{3}=5 \\ \\ RT=\frac{9}{3}=3$

4 0

4 years ago