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vladimir1956 [14]
3 years ago
15

PLEASEE HELP.!! ILL GIVE BRAINLIEST.!! *EXTRA POINTS* DONT SKIP:((

Mathematics
1 answer:
Serhud [2]3 years ago
3 0
B I might be wrong cause i can’t tell if that’s B but the 3rd box
You might be interested in
Please help! I'd greatly appreciate it!
emmasim [6.3K]

Answer:

[-4,2] or -4 \leq x \leq 2

Step-by-step explanation:

Range is the range of the y-axis.

Although we see that the "line" ends at a specific point, it is neither the highest or lowest y-value.

Our lowest y value is -4, and because it is a line, it is not an open dot resulting in a [, instead of a (.

This same thing happens with highest y-value which happens to be 2.

This is interval notation.

Due to your question, you may be asking for this:

-4 \leq x \leq 2

4 0
2 years ago
kelly has 47 model cars. Jamal has 58 model cars. Yesterday , jamal traded 8 model cars to kelly for 14 of her cars. How many ca
lana [24]

Answer:

33 cars please give Brainliest

4 0
3 years ago
Compute the exact value of the function for the given x-value without using a calculator. f(x) = 7x for x = 2
Bas_tet [7]

Answer:

14

Step-by-step explanation:

Substitute x = 2 into f(x)

f(2) = 7 × 2 = 14


6 0
3 years ago
Read 2 more answers
Find Sn for the arithmetic series 5+7+9 + … and determine the value of n for which the series has sum 165.
SVETLANKA909090 [29]

Answer:

see explanation

Step-by-step explanation:

the sum to n terms of an arithmetic sequence is

S_{n} = \frac{n}{2}[2a + (n - 1)d ]

where d is the common difference and a is the first term

here d = 9 - 7 = 7 - 5 = 2 and a = 5, hence

S_{n} = \frac{n}{2}[(2 × 5) + 2(n - 1) ]

                        = \frac{n}{2}(10 + 2n - 2)

                        = \frac{n}{2}(2n + 8)

                        = n² + 4n

When sum = 165, then

n² + 4n = 165 ← rearrange into standard form

n² + 4n - 165 = 0 ← in standard form

(n + 15)(n - 11) = 0 ← in factored form

equate each factor to zero and solve for n

n + 15 = 0 ⇒ n = - 15

n - 11 = 0 ⇒ n = 11

but n > 0 ⇒ n = 11



4 0
3 years ago
Evaluate 8y when y=4
earnstyle [38]
32 cause it’s 32 it be 32 boo
3 0
3 years ago
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