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VikaD [51]
3 years ago
10

Cho hàm số y f x32 x 1 .a, Tìm y khi x nhận các giá trịx2, x 32.b, Tìm x đểf x42, f x2 1.

Mathematics
1 answer:
solniwko [45]3 years ago
8 0

Step-by-step explanation:

walang sasagot niyan kung iba yung letters na senend mo

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Store A is offering two tubes of lip gloss for $7. The costs for lip gloss at Store B are shown in the table. Assume the cost fo
solmaris [256]
Hi,

I think this is the table, correct?

Number of Tubes        3                5                      7

Cost ($)                    12              20                     28

we can calculate the prize as the number of tubes multiplied by 4:
3*4=12
5*4=20
7*4=28

which means that one tube costs 4 dollars!

However, in the store A two tubes cost 7, which means that one costs half of this -3.5

So Store B is more expensive (4 dollars per 4 rather than 3.5 as in Store A).


5 0
3 years ago
What is 2/7 + 6/10 in fraction form
frez [133]

Answer:

31/35

Step-by-step explanation:

= 62/70

= 62 ÷ 2/70 ÷ 2

= 31/35

5 0
3 years ago
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What is the point-slope form of a line that has a slope of –4 and passes through point (–3, 1)?
dimaraw [331]

Answer:

y - 1 = - 4(x + 3)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = - 4 and (a, b) = (- 3, 1), hence

y - 1 = - 4(x - (- 3)), thus

y - 1 = - 4(x + 3) ← in point- slope form

8 0
3 years ago
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Please help ‼️‼️ I’m doing functions
eduard
In this problem, you're looking for the value of t, so that f(t) = 48. That means if you put t into 5t-7, you'll get 48. To do this set up and solve an equation for t by setting 48 equal to 5t-7:
5t-7=48

Isolate the variable by adding 7 to both sides. 
5t=55

Divide by 5 on both sides to find t.
t=11

The answer is 11.


8 0
3 years ago
Six friends order lunch. Which expression shows the total cost if each person orders one sandwich and one cookie?
geniusboy [140]

Answer:

6(4.75+x)

Step-by-step explanation:

3 0
2 years ago
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