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Semenov [28]
3 years ago
11

Gregg’s phone plan charges $.50 per text message plus $.70 a day. Howard’s plan charges $.30 a text plus $2.50 a day. For what n

umber of texts, a day are the cost of the phone plans the same? Show work.
Mathematics
1 answer:
Kaylis [27]3 years ago
4 0

Answer:

x=9

Step-by-step explanation:

.5x+.7 = .3x+2.5

     -.7   -.3x

.2x=1.8

/.2    /.2

x=9

.5(9)+.7=5.2

.3(9)+2.5=5.2

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The dance committee of Pine Bluff Middle School earns \$72$72dollar sign, 72 from a bake sale and will earn \$4$4dollar sign, 4
Brut [27]

Answer:

The correct answer is 72 + 4 × x \geq 400.

Step-by-step explanation:

The dance committee of Pine Bluff Middle School earns $72 from a bake sale and will earn $4 for each ticket they sell to the Spring Fling dance.

The dance will cost $400.

Let x number of tickets the committee could sell.

Total money earned is 72 + 4 × x.

The committee should have some left over money also after spending for the dance which costs $400.

Thus the inequality to determine the number of tickets the committee could sell to have money left over after they pay for this year's dance is given by,

72 + 4 × x \geq 400.

3 0
3 years ago
Read 2 more answers
Use Fermat's Little Theorem to determine 7^542 mod 13.
m_a_m_a [10]

a^{p-1} \equiv 1 \pmod p where p is prime, a\in\mathbb{Z} and a is not divisible by p.

7^{13-1}\equiv 1 \pmod {13}\\7^{12}\equiv 1 \pmod {13}\\\\542=45\cdot12+2\\\\7^{45\cdot 12}\equiv 1 \pmod {13}\\7^{45\cdot 12+2}\equiv 7^2 \pmod {13}\\7^{542}\equiv 49 \pmod{13}

4 0
3 years ago
Read 2 more answers
What is the surface area of the prism in square inches?
RUDIKE [14]
<h2>add 60+168+276+304 and you get 810 square inches then add 3+14+8 and equals 835.</h2>
7 0
3 years ago
Good afternoon, please help me with this question and if u get it correct ill give u the brainlest
Luden [163]

Answer:

3/5

Step-by-step explanation:

Hope that this helped :)

3 0
2 years ago
What order does those chooses go based off the questions?
Karolina [17]

Answer:


Step-by-step explanation:

its 13

4 0
3 years ago
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