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vekshin1
2 years ago
8

on the weekends maria spends 2 1/2 hours on a project for social studies and then spends 1 1/3 hours on a writing assignment and

1/4 hours on a math assignment what is the total amount of time maria spends on this work??
Mathematics
1 answer:
MatroZZZ [7]2 years ago
5 0

Answer:

49/12 OR 4 1/12

Step-by-step explanation:

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Use the substitution method to solve the system of equations. Write your answer as an order pair. y=x-2 and y=-2x+7
omeli [17]
X=3 ,y=1
i hope this helps
4 0
3 years ago
Help me solve this problem step by step because I’m having a hard time
jarptica [38.1K]

Answer:

x=3, y=10

Step-by-step explanation:

in triangle KLN all the angles are equal making it an equilateral trianlge. GIven one side being 6, we know all the sides are 6 including the side with the expression y-4.

this means

y-4=6

y=10

Using the converse of the base angles theorem(meaning we know the base angles are congruent so the two sides are conguent), we know that

6=x+3

x=3

4 0
3 years ago
Two cards are drawn in succession from a standard 52-card deck.1. What is the probability that the first card is red and the sec
rodikova [14]

Answer:

52 cards:

26 red and 26 black

P(R) = probability of picking a red card

P(B) = probability of picking a black card

P(R) = P(B) = ¹/₂

If with replacement:

P(R∩B) = (¹/₂)(¹/₂) = ¹/₄

If without replacement:

P(R∩B) = (¹/₂)(²⁶/₅₁) = ¹³/₅₁

8 Balls:

3 red and 5 white

P(R) = probability of picking a red ball

P(W) = probability of picking a white ball

P(R) = ³/₈

P(W) = ⁵/₈

If with replacement:

P(R∩W) ∪ P(W∩R) = (³/₈)(⁵/₈) + (⁵/₈)(³/₈)

= ¹⁵/₆₄ + ¹⁵/₆₄

= ³⁰/₆₄

= ¹⁵/₃₂

If without replacement:

P(R∩W) ∪ P(W∩R) = (³/₈)(⁵/₇) + (⁵/₈)(³/₇)

= ¹⁵/₄₂ + ¹⁵/₄₂

= ³⁰/₄₂

= ⁵/₇

8 0
3 years ago
Is (x + 1) a factor of 10x^3 - 15x^2 + 7x + 32?
iragen [17]
10x^3-15x^2+7x+32^{}=0

we can divide the equation on (x+1) and if we have a real solutons (x+1) is a factor

is a factor because the remainder is 0

so the new form of the equation is

(x+1)(10x^2-25x+32)

5 0
1 year ago
PLEASE PLEASE PLEASE FIND THE UNKNOWNS WILL GIVE BRAIN TYSM!!
Wittaler [7]

Answer:

Sum of the opposite pair of a cyclic quadrilateral is 180°.

c= 180-102= 78°

c= 180-102= 78°d= 180-92= 88°

 <em><u>intercepted arc</u></em>

=>2(102°)= 140+a°

a=64°

<u>Simillarly</u>

=> 2(d°)= a°+b°

b°= 112°

so ....

<u>a=64°</u>

<u>a=64°b=112°</u>

<u>a=64°b=112°c=78°</u>

<u>a=64°b=112°c=78°d=88</u>

<em><u>hope it helps you</u></em><u> </u><u>.</u><u>.</u><u>.</u><u>.</u>

4 0
3 years ago
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