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Ulleksa [173]
3 years ago
7

Janet saved 22 dollars one moth and 39 dollars the next month. She wants to buy A bicycle that cost $100. How much more money do

es she need
Mathematics
2 answers:
mel-nik [20]3 years ago
8 0
So total she saved 22+39 so far. That's 61 dollars in total (22+39=20+41=61).

She needs 100 dollars total, but she has 61 already, so she only needs 100-61=39 more: she needs 39 dollars more.
anygoal [31]3 years ago
7 0
You add 22 to 39 which is 61. Then you do 100-61 which is 39. So Janet needs $39
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3 years ago
What’s the answer to this please? Thanks!
Serjik [45]

Answer:

70

  1. beacuse (2x-35)+75=180
  2. (2x-35)=105
  3. 2x=140
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3 0
3 years ago
Explain the steps necessary to convert a quadratic function in standard form to vertex form
SIZIF [17.4K]

Answer:

See below.

Step-by-step explanation:

Here's an example to illustrate the method:

f(x) = 3x^2 - 6x + 10

First divide the first 2 terms by the coefficient of x^2 , which is 3:

= 3(x^2 - 2x) + 10

Now  divide the -2 ( in -2x) by 2 and write the x^2 - 2x in the form

(x - b/2)^2 - b/2)^2  (where b = 2) , which will be equal to x^2 - 2x in a different form.

= 3[ (x - 1)^2 - 1^2 ] + 10 (Note: we have to subtract the 1^2 because (x - 1)^2 = x^2 - 2x  + 1^2  and we have to make it equal to x^2 - 2x)

= 3 [(x - 1)^2 -1 ] + 10

= 3(x - 1)^2 - 3 + 10

= <u>3(x - 1)^2 + 7 </u><------- Vertex form.

In general form the vertex form of:

ax^2 + bx + c  = a [(x - b/2a)^2 - (b/2a)^2] + c .

This is not easy to commit to memory so I suggest the best way to do these conversions is to remember the general method.

3 0
3 years ago
Read 2 more answers
HELP ME ASAP FOR BRANETEST I MEAN IT &gt;_
Julli [10]

Answer:1 1/6

Step-by-step explanation:

7 0
3 years ago
Please help!!!!! I’ll give you brainliest
Nikolay [14]

Answer:

A=32

B=3

C=7

Step-by-step explanation:

Caitlyn surveyed 100 students to find out their favorite class. There were 29 students who enjoyed biology and 35 students who enjoyed English. There were 12 students who did not enjoy Biology, English, or Math.

29 like Biology so to find B you subtract. 29-6-5=3

35 like English so to find C 35-3-5-20=7

Total of 100 students subtract what you know to find A.

100-15-6-5-3-7-20-12=32

6 0
3 years ago
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