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Vlada [557]
3 years ago
14

What is always true about a line that slants downward from left to right

Mathematics
1 answer:
Advocard [28]3 years ago
8 0

Answer:

12 x 12+144

Step-by-step explanation:

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Can someone help me like fr-
aalyn [17]

Answer :V=πr2h=π·72·11≈1693.31844

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Help I’ll mark you brainly!
Gnesinka [82]
Pls mark brainleist

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3 years ago
Please help me with this question!
gavmur [86]
First off, let's convert the percentages to decimal format, so our 77% turns to 77/100 or 0.77, and our 55% turns to 55/100 or 0.55 and so on

now, the sum of both salines, must add up to the 77% mixture, let's say is "y"
so, 11 + 4 = y, and whatever the concentration level is, must also sum up to the mixture's concentration of 77%

anyway   thus

\bf \begin{array}{lccclll}
&amount&concentration&
\begin{array}{llll}
concentrated\\
amount
\end{array}\\
&-----&-------&-------\\
\textit{first sol'n}&11&x&11x\\
\textit{second sol'n}&4&0.55&2.20\\
------&-----&-------&-------\\
mixture&y&0.77&0.77y
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
11+4=y\implies 15=\boxed{y}\\
11x+2.2=0.77y\\
----------\\
11x+2.2=0.77\cdot \boxed{15}
\end{cases}

solve for "x"
6 0
3 years ago
A customer buys 12.42 in merchandise and gives cashier a ten dollar bill a five dollar bill a dime a nickel and two pennies her
Arturiano [62]
She gets $2.75 back if that’s what you’re asking.
4 0
3 years ago
Write the first ten terms of the geometric sequence a1 = 3, r = 1.1 to two decimal places. Am I supposed to multiply 3 by 1.1 te
Makovka662 [10]
The general formula for geometric series is tn = a×rⁿ⁻¹. In this question, a (or a1) is 3, and r is 1.1, therefore the first ten terms would be 3×1.1⁰ (3) , 3×1.1¹ (3.3), 3×1.1² (3.63) and so on up until you get to 3×1.1⁹ or 7.07.
6 0
3 years ago
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