3 years ago

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Mathematics

1 answer:

lawyer [7]3 years ago

4 0

B or C i think. I dont know

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Find the 7th term of the arithmetic sequence 5x + 9, 8x + 5, 11x + 1,...

ohaa [14]

Answer:

Step-by-step explanation:

In arithmetic sequence: a₂ - a₁ = a₃ - a₂ {common difference}

$a_1=5x+9\\a_2=8x+5\\a_3=11x+1\\\\\\d=8x+5-(5x+9)=8x+5-5x-9=3x-4\\\\a_n=a_1+d(n-1)\\\\a_7=5x+9+(3x-4)\cdot6\\\\a_7=5x+9+18x-24\\\\a_7=33x-15$

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3 years ago

Find p(4) when p=.80

deff fn [24]

Answer:

3.2

Step-by-step explanation:

0.8(4) = 3.2

3 0

3 years ago

Step 4: Make a prediction with your data.

Keith_Richards [23]

Answer:

estimated gpa: 2.85

Step-by-step explanation:

Evaluate y=0.14x+0.75 at x = 15 (hours):

y = 0.14(15 hours) + 0.75

= 2.1 + 0.75

y = 2.85 = estimated gpa corresponding to 15 houirs of study

3 0

2 years ago

-6a-7<br><img src="https://tex.z-dn.net/?f=%20-%206a%20-%207%20%5Cleqslant%2017" id="TexFormula1" title=" - 6a - 7 \leqslant 17"

seropon [69]

$-6a-7\leq17\ \ \ \ |+7\\\\-6a\leq24\ \ \ \ |\text{change the signs}\\\\6a\geq-24\ \ \ |:6\\\\a\geq-4$

3 0

3 years ago

Which two triangles are congruent ? Complete the congruence statement . Please don’t be wrong I’ll

lukranit [14]

Answer:

ΔHFG≅ΔSUT

Step-by-step explanation:

You just have to match up the sides and the angle.It's easier to color code them.

For example:

Segment SU would be congruent with HF. (both would be blue, just example color)

Angle U is congruent to angle F (red)

UT congruent to FG (green)

6 0

3 years ago