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dem82 [27]
3 years ago
11

Kendra owns a restaurant. She charges $3.00 for 2 eggs and one piece of toast, and $1.80 for one egg and one piece of toast. How

much does Kendra charge for an egg? A piece of toast?
Mathematics
1 answer:
natulia [17]3 years ago
4 0
She charges in total $4.80
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Evaluate and simplify the expression when c=1 and d=3
alekssr [168]

Answer:

<h2>The answer is 32</h2>

Step-by-step explanation:

3( 2c + d) - 4( c - d) + d²

when c = 1 and d = 3

Substitute the values of c and d into the above expression and solve

We have

3 [ 2(1) + 3 ] - 4 ( 1 - 3) + 3²

<u>Solve the terms in the bracket first</u>

➢ 3( 2 + 3) - 4( - 2) + 9

➢ 3( 5) + 8 + 9

<u>Simplify</u>

➢ 15 + 8 + 9

➢ 15 + 17

We have the final answer as

<h3>32</h3>

Hope this helps you

3 0
3 years ago
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GREYUIT [131]

Answer:

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Step-by-step explanation:

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Find the value of x. give reasons to justify your answer NEED HELP ASAP!!!!
Firlakuza [10]

Answer:

x = 34^\circ

Step-by-step explanation:

Note that ∠TSU and ∠PSR are vertical angles. Hence:

m\angle TSU = m\angle PSR

∠PSR is the sum of ∠PSQ and ∠QSR. Hence:

\displaystyle m\angle TSU = m\angle PSQ + m\angle QSR

We know that ∠TSU measures 4<em>x</em> and ∠QSR measures 3<em>x</em>. Thus:

(4x) = m\angle PSQ + (3x)

Solve for ∠PSQ:

m\angle PSQ = x

Next, ∠PQS and ∠RQS form a linear pair. Thus:

m\angle PQS + m\angle RQS = 180^\circ

∠RQS measures 68°. Thus:

m\angle PQS +(68^\circ) = 180^\circ

Solve for ∠PQS:

m\angle PQS = 112^\circ

The interior angles of a triangle must total 180°. So, for ΔPQS:

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Substitute in the known values:

(x) + (112^\circ) + (x) = 180^\circ

Simplify:

2x = 68^\circ

And divide. Hence:

x = 34^\circ

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3 years ago
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Mazyrski [523]
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