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prisoha [69]
3 years ago
7

Simplify each expression by combining like terms 4x+7x=

Mathematics
2 answers:
STALIN [3.7K]3 years ago
7 0

Answer:

11x

Step-by-step explanation:

Natalka [10]3 years ago
7 0
11x (add the like terms)
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Which type of conic section is described by the following equation?​
krok68 [10]

Answer:

  C.  Hyperbola opening up and down

Step-by-step explanation:

A graph tells the tale.

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The term with the positive coefficient identifies the axis along which the hyperbola opens. Here, that is the y-axis, so the figure opens up and down.

The minus sign between the squared terms indicates it is a hyperbola, rather than a closed curve (ellipse or circle). The fact that both terms are squared indicates it is <em>not</em> a parabola.

7 0
3 years ago
What must you do if you multiply one number in a ratio by n?
Gala2k [10]
Hi there!

From what I know, when you multiply one number in a ratio, you must also multiply the other number by the same number. This allows for the ratio to stay the same, thus keeping it correct. If both terms were not multiplied by n, the ratio would no longer be the correct ratio.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
4 0
4 years ago
(s-aq 3.58) there are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 t
GREYUIT [131]
Just ask some one else this is to much u should know this u are really smart and i belive in u
6 0
3 years ago
Your friend is trying to calculate the height of a nearby oak tree. You tell him that you learned how to use similar triangles i
elena-s [515]

Answer:

59.38 ft

Step-by-step explanation:

The person and his shadow form a triangle. The tree and its shadow also form a triangle. The triangles are similar triangles, so the lengths of corresponding sides are proportional.

Let the unknown tree height be h.

(person's height)/(person's shadow) = (tree height)/(tree's shadow)

(75 in.)/(48 in.) = h/(38 ft)

(25)/(16) = h/(38 ft)

16h = 25 * 38 ft

16h = 950 ft

h = 59.375 ft

h = 59.38 ft

6 0
3 years ago
3
mrs_skeptik [129]

The Answer is <em>C </em>

<em>Also 37%</em>

3 0
3 years ago
Read 2 more answers
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