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oksian1 [2.3K]
3 years ago
14

Sally had Pokémon cards and 3 had spots. She gave 5 away . She now has 7 Pokémon cards left. How many Pokémon cards did she star

t with?
Mathematics
2 answers:
vovangra [49]3 years ago
3 0

Answer:

12, right?

Step-by-step explanation:

I think the declaration that three had spots may be a red herring meant to mislead you. If she has 7 after giving away 5, that would mean that in total, there are 12 cards.

WARRIOR [948]3 years ago
3 0

Answer:12

Step-by-step explanation:

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Using the change in base property, we have \frac{ln2506}{ln7}=4.022 approximately.
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Which point is the image of point R(4, -7) first reflected across the x-axis and then across the y-axis?
nasty-shy [4]

Answer:

(-4, 7)

Step-by-step explanation:

It would be the exact opposite of point R because it was rotated about 180 degrees from it's original location

6 0
2 years ago
In JKL, k=4.1 cm,j=3.8 cm and angle J=Q3^ Find all possible values of angle K , to the nearest inch of a degree .
spayn [35]

Answer:

74.0°

Step-by-step explanation:

In triangle JKL, k = 4.1 cm, j = 3.8 cm and ∠J=63°. Find all possible values of angle K, to the  nearest 10th of a degree

Solution:

A triangle is a polygon with three sides and three angles. Types of triangles are right angled triangle, scalene triangle, equilateral triangle and isosceles triangle.

Given a triangle with angles A, B, C and the corresponding sides opposite to the angles as a, b, c. Sine rule states that for the triangle, the following holds:

\frac{a}{sin(A)}=\frac{b}{sin(B)}=\frac{c}{sin(C)}

In triangle JKL, k=4.1 cm, j=3.8 cm and angle J=63°.

Using sine rule, we can find ∠K:

\frac{k}{sin(K)}=\frac{j}{sin(J)}   \\\\\frac{4.1}{sin(K)}=\frac{3.8}{sin(63)}  \\\\sin(K)=\frac{4.1*sin(63)}{3.8}\\\\sin(K)=0.9613\\\\K=sin^{-1} (0.9613)\\\\K=74.0^o  \\

6 0
3 years ago
MATH 20 POINTS HELP PLZ :)
lorasvet [3.4K]

Answer:

the answer is C.

Step-by-step explanation:

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1. The measure of PQR is 75°. The length of radius QR is 7 inches. What is the area of sector PQR? (Use 3.14 for .)
g100num [7]
I think the answer is D

Hope it helps
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3 years ago
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