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Novay_Z [31]
3 years ago
8

Sally and Tim need more than 24 bags of grass seed to resend their lawn. The seed they want to buy is sold in cartons that conta

in 4 bags each. What is the minimum cartons of grass seed they need to buy?
Mathematics
2 answers:
madam [21]3 years ago
3 0
24 divided by 4 = 7
The minimum is 7
Nutka1998 [239]3 years ago
3 0

Answer:

7 cartons.

Step-by-step explanation:

Sally and Tim need more than 24 bags of grass seed to resend their lawn.

seeds are sold in cartons that contains 4 bags each.

for 24 bags Sally and Tim need to buy the number of cartons = \frac{24}{4} = 6 cartons

Since they need more than 24 bags to they have to buy minimum 7 cartons.

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Yeah true, need help with more?
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3 years ago
Evaluate exactly without the use of a calculator (remember to rationalize any denominators). a.(cos 60o)(sin 270o) + tan 225o b.
Rom4ik [11]

Given:

The trigonometric expressions are given as,

\begin{gathered} a)\text{ }(\cos 60\degree)(\sin 270\degree)+\tan 225\degree \\ b)-\tan 240\degree+(cos45\degree)(\sec 135\degree) \end{gathered}

Explanation:

a)

The given expression can be rewritten as,

=(\cos 60\degree)(\sin (360\degree-90\degree))+\tan (270\degree-45\degree)\text{ . . . .  .(1)}

Since, from the trigonometric ratios,

\begin{gathered} \sin (360\degree-90\degree)=-\sin 90\degree \\ \tan (270\degree-45\degree)=\cot 45\degree \end{gathered}

On plugging the obtained ratios in equation (1),

=(\cos 60\degree)(-\sin 90\degree)+\cot 45

Substitute the trigonometric values in the above equation.

\begin{gathered} =\frac{1}{2}(-1)+1 \\ =-\frac{1}{2}+1 \\ =\frac{1}{2} \end{gathered}

Hence, the exact value of the expression is 1/2.

b)

The given expression can be rewritten as,

=-\tan (270\degree-30\degree)+(\cos 45\degree)(\sec (90\degree+45\degree))\text{ . . . ..(2)}

Since, from the trigonometric ratios,

\begin{gathered} \tan (270\degree-30\degree)=\cot 30\degree \\ \sec (90\degree+45\degree)=-\csc 45\degree \end{gathered}

On plugging the obtained ratios in equation (2),

=-\cot 30\degree+(\cos 45\degree)(-\csc 45)

Substitute the trigonometric values in the above equation.

\begin{gathered} =-\sqrt[]{3}+\frac{1}{\sqrt[]{2}}(-\sqrt[]{2}) \\ =-\sqrt[]{3}-1 \end{gathered}

Hence, the exact value of the expression is -√3-1.

7 0
2 years ago
NEED HELP PLEASE ANSWER ASAP! (44)
HACTEHA [7]

Answer:

-3x^2 * x = -3x^3\\y * y = y^2

(-3x^2y)(5xy^2 + xy)\\

Use F.O.I.L, (First Outer Inner Last) to multiply. Start with -3x^y * 5xy^2

Start with similar terms

-3x^2 * 5x = -15x^3\\y * y^2 = y^3\\Therefore,\\-15x^3y^2

Move onto the xy portion of the problem

-3x^2y(xy)\\

Start with similar terms

-3x^2 * x = -3x^3\\y * y = y^2\\Therefore,\\-3x^3y^2

Combine the two together

-15x^3y^3 - 3x^3y^2\\

The answer is Option A

7 0
2 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
Find the equation of the line passing through (6,4) and (-2,2)
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Y=1/4x+5/2 is your equation of the line.
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