Science 7 - LAND and SEA BREEZE and its Characteristics
MATH QUESTIONS.pptxfor upload to downloadfor upload to download
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2. 1. A box is 12 inches wide, 16 inches long and 6 inches high.
How many square inches of paper would be needed to cover
it on all sides.
a. 360 sq. in.
b. 720 sq. in.
c. 420 sq. in.
Formula: area of rectangular prism
Area : 2wl +2lh+2hw
3. 2. Alwyna repacks a 60 kg sack of sugar into small packs of
750 g. How many small packs can be made?
a. 75
b. 60
c. 80
Tips: 750/1000
SBD 60/.75
BSM
4. 3. A plane has 29 rows with 5 seats per row , except for the
last three rows which has 3 seats each. What is the seating
capacity of the plane?
A
B
C
159
139
149
5. 4.How much larger is the supplement of a 57 degree angle
than the complement of a 75 degree angle?
A
B
C
108 degrees
103 degrees
123 degrees
6. 5. What is the equation of the line whose slope is -2 and
whose y-intercept is 3?
A
B
C
2x+3y= 6
2x+3y= -2
2x+y= 3
y=mx + b
b is the y-intercept
7. 6. The hypotenuse of a right triangle is 25feet. If one leg is
24 feet, what is the length of other leg?
A
B
C
The hypotenuse of a right triangle is always the side opposite the right
angle. It is the longest side in a right triangle. The other two sides are called the
opposite and adjacent sides.
20ft.
7 ft.
17ft.
8. 7. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
13 inches
17 inches
16 inches
c2 = a2 + b2 ('c' = hypotenuse of the right
triangle whereas 'a' and 'b' are the other two
legs.)
9. 8. What percent is ¾ of 5/6?
A
B
C
65%
90%
80%
rate = ?
percentage= ¾
base-= 5/6
r= p/b
= ¾ divided by 5/6
3/4x 6/5=18/20 or 9/10
10. 9. A container contains 23 bottles ad each bottle contains 20
marbles. How many marbles are there in 10 bottles?.
A
B
C
100
200
230
11. 10. What is the value of n in the statement 2mn =50, if
m=1?.
A
B
C
25
35
5
12. 11. Joey gathered twice more marbles than Vic and Tito
gathered 2 more marbles than Vic. They gathered 26
marbles. How many marbles did Vic gather?.
A
B
C
6
8
12
Vic=x
Joey =2x
Tito = x+2
13. 12. The sides of a triangle are 3, 6 and 8. If the largest side of
a similar triangle is 16, what is the shortest side?.
A
B
C
12
6
2
Similar triangles are of the same shape, that is they
have all the three angles equal but the sides may or
may not be equal whereas congruent triangles have
both sides and angles equal.
14. 13. What is the 30th term of the sequence 5,8, 11, 14...?
A
B
C
92
95
90
Arithmetic sequence
An arithmetic sequence has a constant difference
between each consecutive pair of terms.
Arithmetic sequence-common
difference
16. 14. The solution set for the equation x2 -4x -5 =0.
A
B
C
X = 5, 9
X = 5, -1
X = 4, -1
Factor first the
equation
17. 15. Angle ABC measures 110 degrees. What kind of angle is
angle ABC.
A
B
C
acute
right
obtuse
D straight
Whenever a triangle is
classified as obtuse, one of its
interior angles has a measure
between 90 and 180 degrees.
18. 16.Which of the following statements about quadrilaterals is
not true?.
A
B
C
All squares are kites.
All squares are rectangles.
All squares are rhombuses.
D All squares are parallelograms.
19. 17.Determine the circumference of a circle whose area
equals 36 pi square units.
A
B
C
36 pie
18 pie
12 pie
Area= 2 pie squared
Circumference = 2x pie x radius
Solve first the radius using the formula for area.
20. 18. The perimeter of a rectangle is 24feet. How long is its
width if its length is 9 feet.
A
B
C
3ft
6ft
8ft
P=2L+2W
24=18+2W
6=2W
W=3
22. 20.If 45% of x is 108, what is 50 % of x?.
A
B
C
100
120
110
B = P/R
B= 108/ 0.45
B=240
240 /2 =120
23. 21. What number decreased by 28% of itself gives 324? .
A
B
C
450
420
380
X-0.28x =324
0.72x=324
X=450
324 = x (100% -28%)
324 = x(72%)
324/0.72
X=450
24. 22. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
25. 23. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
26. 24. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
27. 25. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
28. 26. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
29. 27. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
30. 28. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
31. 29. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C
32. 30. What is the length of the hypotenuse of a right triangle
with legs 5 inches and 12 inches.
A
B
C