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3 years ago

Please help and thank you

Mathematics

2 answers:

m_a_m_a [10]3 years ago

7 0

Answer:

Step-by-step explanation:

Given

5² + (x ÷ 3) ← substitute x = 15 into the expression

= 25 + (15 ÷ 3)

= 25 + 5

= 30 → C

ICE Princess25 [194]3 years ago

4 0

Answer:

Step-by-step explanation:

15/3=5

5 x 5 = 25

25 + 5 = 30

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If a/b = 2 /5, b/c = 3 /8, a/c =??

scoray [572]

Answer:

3/20

Step-by-step explanation:

By question it's given that ,

$\implies \dfrac{a}{b}=\dfrac{2}{5}$

$\implies \dfrac{b}{c}=\dfrac{3}{8}$

And we need to find out the value of a/c .For that Multiply both of them , we have ;

$\implies \dfrac{a}{b} \times\dfrac{b}{c}=\dfrac{2}{5}\times \dfrac{3}{8} \\\\\implies \dfrac{a}{c}= \dfrac{3}{20}$

Hence the required answer is 3/20 .

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3 years ago

you sold brownies for $3 each.You sold 14 more this week than last week altogether. You made $84. how many brownies did you sell

Luba_88 [7]

Answer: 8

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84- 36 = 48/6 = 8

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3 years ago

What is a system of equations for the following situation? There is a total of 30 questions on a test. Some questions are multip

Alexxx [7]

Answer:

m + s = 30

2m + 6s = 100

Step-by-step explanation:

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3 years ago

I will give the brainiest

Alisiya [41]

Answer:

A;C;E

Step-by-step explanation:

Let cost of almond per pound be X

Cost of 3 pounds of almonds=3X

cost of pistachios per pound = X+4

Cost of 2 pounds of pistachios=2X+8

Total cost=5X+8=48

5X+8=48

5X=40

X=8

cost of one pound almond is $8

cost of one pound pistachios is $12

Please mark it brainly

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3 years ago

Hayley has 272 beads.she buys 38 more beads. She will use 89 beads to make bracelets and the rest to make necklaces. She will us

STALIN [3.7K]

First, do 272 + 38 = 310
Secondly, do 310 - 89 = 231
Third, do 231 ÷ 9 = 25

The most number of beeds she can have is 25

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3 years ago