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romanna [79]
2 years ago
13

Samuel and Jason spend 3/4 of their combined earnings from Wednesday to buy a gift. Use a problem solving model to determine if

there enough left over from Wednesday's earnings to buy a card that costs $3.25? Explain.
Mathematics
2 answers:
Vera_Pavlovna [14]2 years ago
7 0

Answer:

math

Step-by-step explanation:

no

andrey2020 [161]2 years ago
4 0

Answer:

It is a division problem. 3.25 × 0.75 = 4.375

Step-by-step explanation:

They had $4.375 dollars, but then, they bought a gift card for $3.25 dollars. so, we must multiply 3.25 * 0.75.

hope this helps.

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given that sin theta= 1/4, 0 is less than theta but less than pi/2, what is the exact value of cos theta
lapo4ka [179]

Answer:

\cos{\theta} = \frac{\sqrt{15}}{4}

Step-by-step explanation:

For any angle \theta, we have that:

(\sin{\theta})^{2} + (\cos{\theta})^{2} = 1

Quadrant:

0 \leq \theta \leq \frac{\pi}{2} means that \theta is in the first quadrant. This means that both the sine and the cosine have positive values.

Find the cosine:

(\sin{\theta})^{2} + (\cos{\theta})^{2} = 1

(\frac{1}{4})^{2} + (\cos{\theta})^{2} = 1

\frac{1}{16} + (\cos{\theta})^{2} = 1

(\cos{\theta})^{2} = 1 - \frac{1}{16}

(\cos{\theta})^{2} = \frac{16-1}{16}

(\cos{\theta})^{2} = \frac{15}{16}

\cos{\theta} = \pm \sqrt{\frac{15}{16}}

Since the angle is in the first quadrant, the cosine is positive.

\cos{\theta} = \frac{\sqrt{15}}{4}

3 0
3 years ago
X +3/ 5 = 2 <br> i need help
DochEvi [55]

This equation basically says that a number plus 3/5 equals 2 so we can simply:

2 - 3/5 = x

Therefore x equals 1 & 2/5 or 1.4

8 0
3 years ago
If you help me I give you branliest
Vanyuwa [196]

Answer:

option 4

Step-by-step explanation:

m \angle MNO = \frac{1}{2} \times m MN\\\\

              = \frac{1}{2} \times 150 \\\\= 75^ \circ

4 0
2 years ago
What is 999+999+999+23456
ohaa [14]

Your answer is 26,453

Although I don't feel as if this is a homework question, I will still show the work.


Work:

Step 1: 999 + 999 = 1,998

Step 2: 1,998 + 999 = 2,997

Step 3: 2,997 + 23,456 = 26,453


Hope I was able to help! :)

6 0
3 years ago
Read 2 more answers
Two quantities, x and y, are directly proportional. If x is halved, what happens to y?
Contact [7]
Y should also be halved.

For example, if x=4 and y=2, x=2y.
If x is halved for x=2, you get 2=2y, or y=1, which is still one half of x, so the proportion remains the same.
5 0
3 years ago
Read 2 more answers
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