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3 years ago

I need help with 4a and 4b

Mathematics

1 answer:

Bas_tet [7]3 years ago

6 0

Complementary angels are two angles that equal 90 when added so S degrees + Z degree = 90 degrees or 50 degree + 40 degree = 90 so forth 4B in comments

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Solve for k. 3/4 k+3/8 k=12

Alexandra [31]

I hope this helps you

8 0

3 years ago

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RESUELVE EL SIGUINTE PORBLEMA En la escuela "Soy Feliz porque soy diverso", hay 230 estudiantes en total. De estos, 35 son mujer

Tanzania [10]

Answer:

1) a. 195 are males

b. Males are the 85 %

2) 1/2

Step-by-step explanation:

Number of all the students: 230

35 are females

x are males

Then 35 + x = 230

x = 230 - 35 → 195

To determine the amount of males, from the total we apply the percent.

Percent = (Amount of males / Total of students) . 100

% = (195 / 230) . 100 = 85 %

2. In first place, Maria spent 13 for the book.

In second place, Maria spent 29 for the pencil box.

In total, she has spent 13+29 = 42

But, how many dolars have the grandpa gave to her?.

We can also apply percent and fractions, where:

(Book / Total) + (Pencil box/Total) + (What she did not spend/Total) = 1

13 + 29 + x = T

13/T + 29/T + x/T = 1, in conclussion x = 42

Total of money given = 84

Then, Maria has not spent the half of money→ 1/2

7 0

3 years ago

Match the following exponential functions with their "b" value.

marishachu [46]

9514 1404 393

Answer:

in order by function: 0.6, 8, 7/3, 2, 1/2

Step-by-step explanation:

The functions are given in the form ...

f(x) = a·b^x

The "b" value is the value immediately to the left of the exponent. (It's not rocket science; it's pattern matching.) Note that the minus sign in g(x) is part of 'a', not part of 'b'.

From the top-down, the functions listed on the left have the b-values shown above.

4 0

3 years ago

Abby used 3 3/4 of drink mix to make 10 cups of drinks.

Fittoniya [83]

1) 3 x 4 = 12 + 3 = 15/10= 1.5

1.5/4 =<em> 3/8 drink mix for one drink</em>

2) 22/8

22/3=7.3

<em>so 7 cups of drinks </em>

6 0

3 years ago

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Find the area (in square inches) of the parallelogram.

WARRIOR [948]

<h2>864 inches²</h2>

Step-by-step explanation:

2 ft = 24 inch

3 ft = 36 inch

<h3>area of parellogram = base × height</h3><h3> = 24 × 36</h3><h3> = 864 inches²</h3>

<h2>MARK ME AS BRAINLIST</h2><h3>PLZ FOLLOW ME</h3>

8 0

3 years ago