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4 years ago

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The ROTC students at Kingsman High School sold barbecue plates to raise money to take children from a shelter to the circus. The

y bought 2 kinds of meat 50 pounds of chicken at 59 cents per pound, and sausage at 85 cents per pound. If they paid 65.30 for the meat, write and solve the equation can be used to determine x, the total weight of meat they purchased?

1 answer:

Zielflug [23.3K]4 years ago

6 0

What are the following?

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The n term of a geometric sequence is denoted by Tn and the sum of the first n terms is denoted by Sn.Given T6-T4=5/2 and S5-S3=

Leno4ka [110]

1 step: $S_{5}=T_{1}+T_{2}+T_{3}+T_{4}+T_{5}$ , $S_{3}=T_{1}+T_{2}+T_{3}$ , then
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2 step: $T_{n}=T_{1}*q^{n-1}$ , then
$T_{6}=T_{1}*q^{5}$
$T_{5}=T_{1}*q^{4}$
$T_{4}=T_{1}*q^{3}$
$T_{3}=T_{1}*q^{2}$
and $\left \{ {{T_{6}-T_{4}= \frac{5}{2} } \atop {T_{5}+T_{4}=5}} \right.$ will have form $\left \{ {{T_1*q^{5}-T_{1}*q^{3}= \frac{5}{2} } \atop {T_{1}*q^{4}+T_{1}*q^{3}=5} \right.$ .

3 step: Solve this system $\left \{ {{T_1*q^{3}*(q^{2}-1)= \frac{5}{2} } \atop {T_{1}*q^{3}*(q+1)=5} \right.$ and dividing first equation on second we obtain $\frac{q^{2}-1}{q+1}= \frac{ \frac{5}{2} }{5}$ . So, $\frac{(q-1)(q+1)}{q+1} = \frac{1}{2}$ and $q-1= \frac{1}{2}$ , $q= \frac{3}{2}$ - the common ratio.

4 step: Insert $q= \frac{3}{2}$ into equation $T_{1}*q^{3}*(q+1)=5$ and obtain $T_{1}* \frac{27}{8}*( \frac{3}{2}+1 ) =5$ , from where $T_{1}= \frac{16}{27}$ .

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3 years ago

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24000-12000=12000. 12000/3000=4. 4 years

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3 years ago

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Answer:

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3 years ago

Evaluate.<br> (0.03)2=<br> Need help plz

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$2(0.03) = 2 \times \frac{3}{100} = \\$

$\frac{2 \times 3}{100} = \frac{6}{100} = 0.06 \\$

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3 years ago

convert the measurement 5,000 yards (There are 1.09 yards in a meter.) A. 4000 m B. 6000 m C. 5 km D. 500 m

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Answer:

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A is the correct answer. Hope this helps!

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