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4 years ago

Halpppp plzzz :))))

Mathematics

1 answer:

Allushta [10]4 years ago

7 0

Answer: D. 3*1/2

Step-by-step explanation:

The figure shows 3- 1/2 bars... So it's D....

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Solve with the quadratic equation. Estimate answers to<br> nearest tenth.<br><br> 4x² – 12x–9=0

attashe74 [19]

The answer I got was 3

3 0

3 years ago

(08.04 MC)

skelet666 [1.2K]

Answer:

292,968

Step-by-step explanation:

As we know,

Sum of a geometric sequence (S) = $\frac{a(1-r^{n}) }{(1-r)}$

where,

a = first term of sequence,

r = the constant ratio,

n = number of terms in sequence.

So, according to the question,

a = 3,

r = 5,

n = 8.

by substituting the values in the above formula, we get;

⇒ $S=\frac{3(1-5^{8}) }{(1-5)}$

⇒ $292,968$

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3 years ago

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

mel-nik [20]

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.

8 0

4 years ago

Read 2 more answers

Surface area in terms of pi?

Lunna [17]

$\bf \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\ \cline{1-1} V=972\pi \end{cases}\implies 972\pi =\cfrac{4\pi r^3}{3}\implies 2916\pi =4\pi r^3 \\\\\\ \cfrac{2916}{4\pi }=r^3\implies 729=r^3\implies \sqrt[3]{729}=r\implies 9=r \\\\[-0.35em] ~\dotfill\\\\ \textit{surface area of a sphere}\\\\ SA=4\pi r^2\qquad \qquad \implies SA=4\pi (9)^2\implies \boxed{SA=324\pi }$

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3 years ago

What center (3, 6) passes through the point (0, -2)

Nataliya [291]

Answer:

(a.) It passes through the point (3,-6) and is parallel to the line 3x + y - 10 = 0.

(b). It has x-intercept 6 and y-intercept 4.

Step-by-step explanation:

7 0

3 years ago